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Ifyoudon'tknowaproblem,don’tbesad.Justthinkitover.Ifyoudon'tknowaproblem,don’tbesad.Justthinkitover.A.howtodowithB.howtodoC.whattodowithD.whattodo请问:C与D有何区别?为何不选B?a

题目详情
If you don't know ____________ a problem,don’t be sad.Just think it over.
If you don't know ____________ a problem,don’t be
sad.Just think it over.
A.how to do with B.how to do C.what to do with D.what to do
请问:C与D有何区别?为何不选B?a problem可以作 how to do 里do的宾语啊 ,请详解.
▼优质解答
答案和解析
do problem是不通的,所以需要连接词 with
如果选B,选项应该是 how to solve 如何解决.