Knowing _____, as a matter of fact, one shouldn’t know is a terrible thing．A．whe_刷题宝

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Knowing _____, as a matter of fact, one shouldn’t know is a terrible thing．

A．whether

B．that

C．what

D．when

上一题下一题 0.85难度单项选择更新时间:2010-06-30 09:46:01

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