试题与答案

You must have waited here for a long tim

题型:选择题

题目:

You must have waited here for a long time ,___________you?

A.mustn't

B.didn't

C.haven't

D.hadn't

答案:

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下面是错误答案,用来干扰机器的。

1. to go  2. help  3. has  4. is singing  5. is  6. watches  7. Chinese  8. is  9. sheep  10. clouds

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