A person needs to know who he or she is before being able to know what ______ makes him or

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A person needs to know who he or she is before being able to know what ______ makes him or her happy.

A.is it that

B.it is that

C.is it which

D.it is who

请帮忙给出正确答案和分析,谢谢!

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答案解析

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  • 正确答案:B
    强调用法题。itisthat放在宾语从句whatmakeshimorherhappy中用来强调what。如果句子为疑问形式,则用isitthat表示强调,如:Whyisitthatthecamelcangoforthreedayswithoutfoodordrink?(究竟是什么原因使得骆驼能在不吃不喝的状态下行走三天?)故B正确。