题目内容

While _________ in Britain, he made friends with the natives there.

A.working B. worked

C. he works D. he is working

 

A

【解析】

试题分析:考查状语从句的省略句。while引导的时间从句在与主句(he made friends with the natives there)主语一致的时候,其主语和be动词可以省略,原句是While he is working in Scotland, he made friends with the natives there.省略后,就是while working…。句意:在英国的时候,他和当地人交朋友。选A。

考点:考查状语从句的省略句

 

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Other plants, pine trees(松树) for example, protect themselves by narrowing their water transport cells, which makes it easier for cells to travel among air bubbles.
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Scientists are hoping that this study can help people find possible ways to save plants from the threat

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