1 有无介词有何区别?

When you go on a holiday, it's always a problem to decide_________.

A. where to live     B. where to live in

 

请教老师, A和B都是对的吗?如果都是对的,有无in有何区别?谢谢老师。


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最佳答案 2020-08-01 21:27

When you go on a holiday, it's always a problem to decide where to live. (where 是连接副词,副词不需要介词)

When you go on a holiday, it's always a problem to decide what place to live (in). (若是名词,可以加 in,也可以省略)

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其它 1 个回答

Leo4037

由于“Wh-+ to do不定式”是wh-疑问分句的一种简略形式,等同于wh-分句,所以如何回答就可以变成: it's always a problem to decide where we should live=it's always a problem to decide which hotel we should live in.....所以你应该明白如何选择了。

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  • 007li 提出于 2020-07-12 09:13

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