Be careful when you cross this busy street. ________, you may get run over by a car.

A. If not B. If so C. If any D. If possible

 

A

【解析】

試題分析:考查省略。句意:當(dāng)你穿過(guò)這條繁忙的街道時(shí)要小心。如果不小心的話(huà),你可能會(huì)被汽車(chē)撞到。當(dāng)if從句的主語(yǔ)跟主句主語(yǔ)一致,且謂語(yǔ)是be的某種形式時(shí),if從句常省略主語(yǔ)和be動(dòng)詞。這里的if not相當(dāng)于if you are not,故選A。

考點(diǎn):考查省略

 

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