问题
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:can’t
C:needn’t
D:couldn’t
正确答案是：
同类题型
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did you go on vacation? —I went to summer camp.
The famous writer William Shakespeare was born _____ 1564.[ ]
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