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Mr Bush is on time for everything. How it be that he was late for the opening ce

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Mr Bush is on time for everything. How it be that he was late for the opening ce

Mr Bush is on time for everything. How ________ it be that he was late for the opening ceremony?

[]

A.can

B.should

C.may

D.must

试题答案

答案:A

解析:

can表示可能性的推测,常用于疑问句或否定句中;may表“可能性”常用于肯定句或否定句中;must常用于肯定句中表推测,“一定……”的意思.