. If _____ to look after luggage for someone else, inform the police at once.A.askedB.to askC.asking

题目简介

. If _____ to look after luggage for someone else, inform the police at once.A.askedB.to askC.asking

题目详情

. If _____ to look after luggage for someone else, inform the police at once.
A.askedB.to askC.askingD.having asked
题型:单选题难度:中档来源:不详

答案

A

试题分析:句意为:如果有人要你替他看管行李,立即联系警察。ask 的主动形式后不能直接跟不定式作宾语,只能跟不定式作宾补,所以可以直接排除 B、C、D 三项。完整的句子应该是If you are asked to look after luggage for someone else,当从句中的主语和主句的主语一致的时候,可以省略从句的主语和be动词,选A。

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