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

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

 Mr.Bush is on time for everything. How _____ it be that he was late for theopening ceremony?

A.can   B. should  C. may D. must

 

试题答案

【答案】

 A

考查情态动词表达推测。can通常用于否定或疑问句中表示推测,表示可能性。这句话的意思是“布什先生一直按时做好所有的事,他怎么可能开幕式迟到呢?”。用于否定句表示“不可能”,此时要与may not“可能不”的含义注意区分,如:

She may not telllies. 她可能没撒谎。

He can’t havebeen to your home. He doesn’t know your address. 他不可能去过你家,他都不知道你们家的地址。

can用在肯定句中也有表示推测的意义,但表示理论上存在的可能性,翻译成“有时可能”(但很少发生),如:Evenexperienced teachers can make mistakes.