what to do 和haw to do 的区别（最好能详细说明,我的英语基础不太好）

来源：学生作业帮编辑：搜搜考试网作业帮分类：英语作业时间：2024/05/21 18:55:44

i don't know what to do.
I don't know how to do that.
what是疑问代词,作do的宾语
how是疑问副词,副词不能作宾语,只能在do后面加上适当的宾语.
所以,当后面有宾语时用how,无宾语时用what.

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