UNIT 17: MODAL VERBS: PERMISSION, OBLIGATION, PROHIBITION, NECESSITY（情态动词：许可、义务、禁止与必要性）30 questions · 全部题目
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Exercise 1 · Exercise 1
Choose the correct option to complete the sentences below.
You ____ use this product without protection.
Exercise 1 · Exercise 1
Choose the correct option to complete the sentences below.
You ____ go to the ceremony if you don't feel like it. It'll be very boring anyway.
Exercise 1 · Exercise 1
Choose the correct option to complete the sentences below.
We took too much risk. We ____ that decision.
Exercise 1 · Exercise 1
Choose the correct option to complete the sentences below.
He ____ the bus because his brother picked him up at the station.
Exercise 1 · Exercise 1
Choose the correct option to complete the sentences below.
He ____ so much money on the trip last summer.
Exercise 1 · Exercise 1
Choose the correct option to complete the sentences below.
The refugees ____ to work outside the camp.
Exercise 1 · Exercise 1
Choose the correct option to complete the sentences below.
We couldn't find a hotel so we ____ in the car. It was so uncomfortable!
Exercise 1 · Exercise 1
Choose the correct option to complete the sentences below.
You ____ forget to take your medicine.
Exercise 1 · Exercise 1
Choose the correct option to complete the sentences below.
We ____ early because it was a holiday, so we slept till late.
Exercise 1 · Exercise 1
Choose the correct option to complete the sentences below.
You ____ to call me as soon as you arrived. I was very worried!
Exercise 2 · Exercise 2
Choose the correct options. For each question, choose TWO correct options. Select all correct answers where requested.
It's beautiful! Thanks, but you ____ anything for me.
Exercise 2 · Exercise 2
Choose the correct options. For each question, choose TWO correct options. Select all correct answers where requested.
We'll ____ be more careful about what we say in the future.
Exercise 2 · Exercise 2
Choose the correct options. For each question, choose TWO correct options. Select all correct answers where requested.
You ____ see a specialist to check that knee.
Exercise 2 · Exercise 2
Choose the correct options. For each question, choose TWO correct options. Select all correct answers where requested.
When you get a new employee, you ____ work so hard any longer.
Exercise 2 · Exercise 2
Choose the correct options. For each question, choose TWO correct options. Select all correct answers where requested.
The effects ____ last 6 to 8 hours.
Exercise 2 · Exercise 2
Choose the correct options. For each question, choose TWO correct options. Select all correct answers where requested.
They ____ us a discount because we couldn't sleep in the room that we had booked.
Exercise 2 · Exercise 2
Choose the correct options. For each question, choose TWO correct options. Select all correct answers where requested.
If we ____ to have midnight snacks, why is there a light in the fridge?
Exercise 2 · Exercise 2
Choose the correct options. For each question, choose TWO correct options. Select all correct answers where requested.
When I was at school, we ____ wear a uniform.
Exercise 2 · Exercise 2
Choose the correct options. For each question, choose TWO correct options. Select all correct answers where requested.
We ____ do the dishes today; we can leave them for tomorrow.
Exercise 2 · Exercise 2
Choose the correct options. For each question, choose TWO correct options. Select all correct answers where requested.
Visitors ____ stay at night.
Exercise 3 · Exercise 3
Fill in each gap with one suitable word or two contracted words (e.g. shouldn't, mustn't, needn't or similar).
Complete gap 1. • TEACHER: What are you doing here? You are not 1.____ to be here. • STUDENT: Sorry, I know students 2.____ not go into the staffroom, but I really need to speak with Mr. Donovan. • TEACHER: Well, you 3.____ have come in here to talk to him. It wasn't really necessary. You could have gone to the principal's office and asked him to call Mr. Donovan. Actually, that's what you 4.____ have done. • STUDENT: I'm sorry, I wasn't thinking straight. I really 5.____ to talk to him urgently. • TEACHER: Well, you'd 6.____ think straight the next time, OK? Now, if you want to talk to Mr. Donovan, you don't 7.____ to go to the principal's office. I'll call him myself. And, please, you 8.____ to take that chewing gum out of your mouth. You know that chewing gum is not 9.____ on school premisses. You 10.____ better not do it again, or I'll have to send you to detention. • STUDENT: OK, Mr. Harris. Thanks.
Exercise 3 · Exercise 3
Fill in each gap with one suitable word or two contracted words (e.g. shouldn't, mustn't, needn't or similar).
Complete gap 2. • TEACHER: What are you doing here? You are not 1.____ to be here. • STUDENT: Sorry, I know students 2.____ not go into the staffroom, but I really need to speak with Mr. Donovan. • TEACHER: Well, you 3.____ have come in here to talk to him. It wasn't really necessary. You could have gone to the principal's office and asked him to call Mr. Donovan. Actually, that's what you 4.____ have done. • STUDENT: I'm sorry, I wasn't thinking straight. I really 5.____ to talk to him urgently. • TEACHER: Well, you'd 6.____ think straight the next time, OK? Now, if you want to talk to Mr. Donovan, you don't 7.____ to go to the principal's office. I'll call him myself. And, please, you 8.____ to take that chewing gum out of your mouth. You know that chewing gum is not 9.____ on school premisses. You 10.____ better not do it again, or I'll have to send you to detention. • STUDENT: OK, Mr. Harris. Thanks.
Exercise 3 · Exercise 3
Fill in each gap with one suitable word or two contracted words (e.g. shouldn't, mustn't, needn't or similar).
Complete gap 3. • TEACHER: What are you doing here? You are not 1.____ to be here. • STUDENT: Sorry, I know students 2.____ not go into the staffroom, but I really need to speak with Mr. Donovan. • TEACHER: Well, you 3.____ have come in here to talk to him. It wasn't really necessary. You could have gone to the principal's office and asked him to call Mr. Donovan. Actually, that's what you 4.____ have done. • STUDENT: I'm sorry, I wasn't thinking straight. I really 5.____ to talk to him urgently. • TEACHER: Well, you'd 6.____ think straight the next time, OK? Now, if you want to talk to Mr. Donovan, you don't 7.____ to go to the principal's office. I'll call him myself. And, please, you 8.____ to take that chewing gum out of your mouth. You know that chewing gum is not 9.____ on school premisses. You 10.____ better not do it again, or I'll have to send you to detention. • STUDENT: OK, Mr. Harris. Thanks.
Exercise 3 · Exercise 3
Fill in each gap with one suitable word or two contracted words (e.g. shouldn't, mustn't, needn't or similar).
Complete gap 4. • TEACHER: What are you doing here? You are not 1.____ to be here. • STUDENT: Sorry, I know students 2.____ not go into the staffroom, but I really need to speak with Mr. Donovan. • TEACHER: Well, you 3.____ have come in here to talk to him. It wasn't really necessary. You could have gone to the principal's office and asked him to call Mr. Donovan. Actually, that's what you 4.____ have done. • STUDENT: I'm sorry, I wasn't thinking straight. I really 5.____ to talk to him urgently. • TEACHER: Well, you'd 6.____ think straight the next time, OK? Now, if you want to talk to Mr. Donovan, you don't 7.____ to go to the principal's office. I'll call him myself. And, please, you 8.____ to take that chewing gum out of your mouth. You know that chewing gum is not 9.____ on school premisses. You 10.____ better not do it again, or I'll have to send you to detention. • STUDENT: OK, Mr. Harris. Thanks.
Exercise 3 · Exercise 3
Fill in each gap with one suitable word or two contracted words (e.g. shouldn't, mustn't, needn't or similar).
Complete gap 5. • TEACHER: What are you doing here? You are not 1.____ to be here. • STUDENT: Sorry, I know students 2.____ not go into the staffroom, but I really need to speak with Mr. Donovan. • TEACHER: Well, you 3.____ have come in here to talk to him. It wasn't really necessary. You could have gone to the principal's office and asked him to call Mr. Donovan. Actually, that's what you 4.____ have done. • STUDENT: I'm sorry, I wasn't thinking straight. I really 5.____ to talk to him urgently. • TEACHER: Well, you'd 6.____ think straight the next time, OK? Now, if you want to talk to Mr. Donovan, you don't 7.____ to go to the principal's office. I'll call him myself. And, please, you 8.____ to take that chewing gum out of your mouth. You know that chewing gum is not 9.____ on school premisses. You 10.____ better not do it again, or I'll have to send you to detention. • STUDENT: OK, Mr. Harris. Thanks.
Exercise 3 · Exercise 3
Fill in each gap with one suitable word or two contracted words (e.g. shouldn't, mustn't, needn't or similar).
Complete gap 6. • TEACHER: What are you doing here? You are not 1.____ to be here. • STUDENT: Sorry, I know students 2.____ not go into the staffroom, but I really need to speak with Mr. Donovan. • TEACHER: Well, you 3.____ have come in here to talk to him. It wasn't really necessary. You could have gone to the principal's office and asked him to call Mr. Donovan. Actually, that's what you 4.____ have done. • STUDENT: I'm sorry, I wasn't thinking straight. I really 5.____ to talk to him urgently. • TEACHER: Well, you'd 6.____ think straight the next time, OK? Now, if you want to talk to Mr. Donovan, you don't 7.____ to go to the principal's office. I'll call him myself. And, please, you 8.____ to take that chewing gum out of your mouth. You know that chewing gum is not 9.____ on school premisses. You 10.____ better not do it again, or I'll have to send you to detention. • STUDENT: OK, Mr. Harris. Thanks.
Exercise 3 · Exercise 3
Fill in each gap with one suitable word or two contracted words (e.g. shouldn't, mustn't, needn't or similar).
Complete gap 7. • TEACHER: What are you doing here? You are not 1.____ to be here. • STUDENT: Sorry, I know students 2.____ not go into the staffroom, but I really need to speak with Mr. Donovan. • TEACHER: Well, you 3.____ have come in here to talk to him. It wasn't really necessary. You could have gone to the principal's office and asked him to call Mr. Donovan. Actually, that's what you 4.____ have done. • STUDENT: I'm sorry, I wasn't thinking straight. I really 5.____ to talk to him urgently. • TEACHER: Well, you'd 6.____ think straight the next time, OK? Now, if you want to talk to Mr. Donovan, you don't 7.____ to go to the principal's office. I'll call him myself. And, please, you 8.____ to take that chewing gum out of your mouth. You know that chewing gum is not 9.____ on school premisses. You 10.____ better not do it again, or I'll have to send you to detention. • STUDENT: OK, Mr. Harris. Thanks.
Exercise 3 · Exercise 3
Fill in each gap with one suitable word or two contracted words (e.g. shouldn't, mustn't, needn't or similar).
Complete gap 8. • TEACHER: What are you doing here? You are not 1.____ to be here. • STUDENT: Sorry, I know students 2.____ not go into the staffroom, but I really need to speak with Mr. Donovan. • TEACHER: Well, you 3.____ have come in here to talk to him. It wasn't really necessary. You could have gone to the principal's office and asked him to call Mr. Donovan. Actually, that's what you 4.____ have done. • STUDENT: I'm sorry, I wasn't thinking straight. I really 5.____ to talk to him urgently. • TEACHER: Well, you'd 6.____ think straight the next time, OK? Now, if you want to talk to Mr. Donovan, you don't 7.____ to go to the principal's office. I'll call him myself. And, please, you 8.____ to take that chewing gum out of your mouth. You know that chewing gum is not 9.____ on school premisses. You 10.____ better not do it again, or I'll have to send you to detention. • STUDENT: OK, Mr. Harris. Thanks.
Exercise 3 · Exercise 3
Fill in each gap with one suitable word or two contracted words (e.g. shouldn't, mustn't, needn't or similar).
Complete gap 9. • TEACHER: What are you doing here? You are not 1.____ to be here. • STUDENT: Sorry, I know students 2.____ not go into the staffroom, but I really need to speak with Mr. Donovan. • TEACHER: Well, you 3.____ have come in here to talk to him. It wasn't really necessary. You could have gone to the principal's office and asked him to call Mr. Donovan. Actually, that's what you 4.____ have done. • STUDENT: I'm sorry, I wasn't thinking straight. I really 5.____ to talk to him urgently. • TEACHER: Well, you'd 6.____ think straight the next time, OK? Now, if you want to talk to Mr. Donovan, you don't 7.____ to go to the principal's office. I'll call him myself. And, please, you 8.____ to take that chewing gum out of your mouth. You know that chewing gum is not 9.____ on school premisses. You 10.____ better not do it again, or I'll have to send you to detention. • STUDENT: OK, Mr. Harris. Thanks.
Exercise 3 · Exercise 3
Fill in each gap with one suitable word or two contracted words (e.g. shouldn't, mustn't, needn't or similar).
Complete gap 10. • TEACHER: What are you doing here? You are not 1.____ to be here. • STUDENT: Sorry, I know students 2.____ not go into the staffroom, but I really need to speak with Mr. Donovan. • TEACHER: Well, you 3.____ have come in here to talk to him. It wasn't really necessary. You could have gone to the principal's office and asked him to call Mr. Donovan. Actually, that's what you 4.____ have done. • STUDENT: I'm sorry, I wasn't thinking straight. I really 5.____ to talk to him urgently. • TEACHER: Well, you'd 6.____ think straight the next time, OK? Now, if you want to talk to Mr. Donovan, you don't 7.____ to go to the principal's office. I'll call him myself. And, please, you 8.____ to take that chewing gum out of your mouth. You know that chewing gum is not 9.____ on school premisses. You 10.____ better not do it again, or I'll have to send you to detention. • STUDENT: OK, Mr. Harris. Thanks.
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