tom's mother kept telling him that he should work harder,but

学习时间:2026-08-16 18:30:31 阅读：8358

tom's mother kept telling him that he should work harder,but ---------didn't help.A WHICH B IT 为么不是A

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2026-08-16 18:30:31

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没有but的话就选A,也就是定语从句了。但是有but以后就成了连词连接的两个独立的简单句,所以不用关系代词which做第二个句子的主语,用普通代词it。你可以直接不要看前面,but后面相当于又一个句子了,你写一个普通的句子用which做什么