学帮网I really don’t know ______ about it.A.what to do B.how to do .应该选哪个
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I really don’t know ______ about it.
A.what to do B.how to do .应该选哪个
A
about it.介宾结构,做补足语
你在理解句子的时候可以先把它去掉
I really don’t know what to do.
I really don’t know how to do it.
A