题目内容
---Who is making much noise?
---It ____ be Timmy. He is sleeping now.
- A.can’t
- B.may not
- C.mustn’t
- D.couldn’t
A
从下文来看前面应是否定意思,D选项时态不符,所以选A,不能。
从下文来看前面应是否定意思,D选项时态不符,所以选A,不能。
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