I don’t know _________.A.what to do it B.how to do it C.what to do D.to do what-英语

题目简介

I don’t know _________.A.what to do it B.how to do it C.what to do D.to do what-英语

题目详情


I don’t know _________.
A.what to do it B.how to do it C.what to do D.to do what
题型:单选题难度:偏易来源:不详

答案

C
考查疑问词+不定式。what to do中,what作do的宾语,A项it多余,排除A;D项的疑问词应该放前面,排除D。 how to do中缺少宾语,排除B。故选C。

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