--the problem is too difficult ,can you show me ______ ------sure .A.what to work it out B.what to work out it C.how to work it out D.how to work out it .
问题描述：
--the problem is too difficult ,can you show me ______ ------sure .
A.what to work it out B.what to work out it C.how to work it out D.how to work out it .
答
如何解决 用HOW。
IT只能放中间，IT是代词，不放后面，所以选D
答
C.how to work it out
work out 算出,解出,有宾语 It,所以不选代词what 而选副词how
很高兴为您解答,fightout为您答疑解惑
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