题目内容
—— Was that the new comer who walked by?
—— _____
- A.It must be that
- B.It must have been
- C.He must be
- D.This must have been
B
表示对过去情况的猜测,用“情态动词+have done”;而it代替上文所指的new comer。
表示对过去情况的猜测,用“情态动词+have done”;而it代替上文所指的new comer。
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