Itis________thatIcanstillremember

发布时间:2020-07-15 15:36:10

It is ________ that I can still remember ______ was discussed at the meetingA.sure; whenB.sure; whatC.certain; whenD.certain; what

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D解析“我肯定记得大会上讨论过的事。”sure的主语必须是人,certain的主语可以是人和物,第二空从句缺主语所以用what,
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