ExercisesContentsDownloadsUNIT 35: HAD BETTER... IT'S TIME...Question 1 / 30请完成全部题目,最后查看答案与解析GRAMMAR · B1 Exercise 1 · Exercise 1Choose the correct answer.You _____ your tickets in advance.Abetter bookingB'd better bookC'd better to book保存并进入下一题 →