This is the second time she ____ improve

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问题 This is the second time she ____ improvement on that equipment.（　　）A． had madeB． madeC． is makingD． has made

选项 A． had made
B． made
C． is making
D． has made

答案 D

解析本题考察it is the＋次数＋（that）＋sb. have done sth.的用法。

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英语专升本

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