---Look!The man at the gate be our headmaster．He is always standing there every morning．---No.it be him．He is holding a meeting in the office now．( )A．must, can'tB．must, mustn'tC．can't, can'tD� 题目和参考答案——青夏教育精英家教网——

题目内容

6．---Look!The man at the gate _____ be our headmaster．He is always standing there every morning．
---No，it_______ be him．He is holding a meeting in the office now．（　　）

A．

must； can't

B．

must； mustn't

C．

can't； can't

D．

can't； mustn't

分析看！在大门口的那个男的一定是我们的校长．每天早上，他总是站在那．
--不，不可能是他．他现在正在他的办公室开会．

解答答案：A．
must一定，必须；mustn't不可以；can't不可能；根据本题的前句He is always standing there every morning，可知校长总是站在门旁，那么在门旁的那个人是校长的可能性很大，故用must；再根据He is holding a meeting in the office now，可知校长正在开会，那么在门旁的那个人不可能是校长，故用can't，表不可能．故选A．

点评题考查了情态动词的用法．熟知句意以及所给选项的意思是解答本题的关键．

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