He doesn't know__next.A,how to do;B,what to do it;C,where to go

问题描述:

He doesn't know__next.A,how to do;B,what to do it;C,where to go

C 他不知道接下来去哪
how后面必须接宾语,应该是how to do it,what后面不应该有宾语,应该是what to do ,所以 不选A和C回答的太好了,听您一解释我就明白了。