I really don't know _____next.Could you help me?

问题描述:

I really don't know _____next.Could you help me?
A.what to do B.how to do C.what to do it

答案 A
这是动词不定式,我们分别还原
to do what,what是名词,是do的宾语
to do how,how是副词,do后面没有宾语
to do what it,what是名词,it也是名词,do后面一个名词就够了
答案 A
翻译,我真的不知道接下来该做什么,你能帮帮我么?