UNIT 1: PRESENT SIMPLE OR PRESENT CONTINUOUSQuestion 1 / 20
请完成全部题目，最后查看答案与解析
GRAMMAR · B1
Exercise 1 · Exercise 1
Choose the correct answer.
B1 Intermediate · GRAMMAR LESSONS
Unit 1: Present simple or present continuous
2 exercises · 20 original questions
CEFRA1—C2Every level · Every skill