___ crossing the street ,he was knocked down by a car. 选项: a、By b、During c、At d、While
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While crossing the street , he - -- - - -
答案是while, 不是during。 你的句子是分词结构,可以改写成:while he was crossing the street, he - - -- - -
在分词结构里面,你的句子是while+现在分词。 记住,during+名词短语。所以B是错误的选项。
又如
While( he was) staying in Shanghai,he visited me
===During his stay in Shanghai,he visited me
记住: while+ 现在分词, during+名词短语
答案是while, 不是during。 你的句子是分词结构,可以改写成:while he was crossing the street, he - - -- - -
在分词结构里面,你的句子是while+现在分词。 记住,during+名词短语。所以B是错误的选项。
又如
While( he was) staying in Shanghai,he visited me
===During his stay in Shanghai,he visited me
记住: while+ 现在分词, during+名词短语
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