题目内容
--Is the man standing outside the teacher’s office Mr. Zhou?
--No, it ______ be him. He has gone to Hong Kong for an academic conference.
| A.mustn’t | B.can’t | C.needn’t | D.couldn’t |
B
解析
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题目内容
--Is the man standing outside the teacher’s office Mr. Zhou?
--No, it ______ be him. He has gone to Hong Kong for an academic conference.
| A.mustn’t | B.can’t | C.needn’t | D.couldn’t |
B
解析