问题描述：
---_____ the man over there be your Chinese teacher?---No,it ___ be him.
---_____ the man over there be your Chinese teacher?
---No,it ___ be him.
A.Can,mustn't B.May,can't C.Must,mustn't D.May,may not
---_____ the man over there be your Chinese teacher?
---No,it ___ be him.
A.Can,mustn't B.May,can't C.Must,mustn't D.May,may not
问题解答：
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