UC知道关于英语He does not know ( )to write about.
来源：百度知道 编辑：UC知道 时间：2024/09/21 06:28:34
He does not know ( )to write about.
A how B what
括号里为什么要用what，而不用how?
A how B what
括号里为什么要用what，而不用how?
what是疑问代词，可以做about的宾语，而how是疑问副词不可以做宾语
write about.
write后边有about所以用what，
what需要接内容
如果没有about，可以用how
write about后面应该加什么－意思是写一些什么，把what前掉，所以选what
而how是强调怎么写，所以不适合
如果没有about，则how就行，但是about是介词，则必须又一个宾语，而what正好就可以做名词也就可以是宾语，所以用what
about是介词，需接名词或代词，或者名词性质的
about sth所以用what
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