it is______that a famous scientist will attend the meetingA)sureB)certainC)gladD)satisfied为什么不能选A,请说明选择原因2）they may____the books for about two weeksA)borrowB)lendC)keepD)have为什么不能选D

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it is______that a famous scientist will attend the meetingA)sureB)certainC)gladD)satisfied为什么不能选A,请说明选择原因2）they may____the books for about two weeksA)borrowB)lendC)keepD)have为什么不能选D
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it is______that a famous scientist will attend the meetingA)sureB)certainC)gladD)satisfied为什么不能选A,请说明选择原因2）they may____the books for about two weeksA)borrowB)lendC)keepD)have为什么不能选D
it is______that a famous scientist will attend the meeting
A)sure
B)certain
C)glad
D)satisfied
为什么不能选A,请说明选择原因
2）they may____the books for about two weeks
A)borrow
B)lend
C)keep
D)have
为什么不能选D

it is______that a famous scientist will attend the meetingA)sureB)certainC)gladD)satisfied为什么不能选A,请说明选择原因2）they may____the books for about two weeksA)borrowB)lendC)keepD)have为什么不能选D
B,sure的前边只能是人,不能用it
C for about two weeks 是一段时间,前面的动词要用延续性的可额keep

第二题应该是C吧！

be动词后应接形容词,而sure是动词，如果要接的话只能是be sure of ....第二题是常考题，楼上的答案非常正确！

①B sure的前边只能是人称代词，而不能用形式主语的it
②C have borrow和lend都是短暂性动词所以不能用
只有是keep是延续性动词,所以选C

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