同时有主语从句和表语从句怎么分主句和从句

例句:

What cost him his life was that he was too careless.

What I want to know is where you found my book.

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1 个回答

好题  
擅长:英语

 这样的句子属于从句被包含在句子中。主句就是这个句子。

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  • viperbbb 提出于 2022-06-15 13:44