问题标题:
Greatchanges_____inmyhometownsince1980A.hancebeentakenplaceB.tookplaceC.havetakenplaceD.weretakenplace并说出原因
问题描述:
Greatchanges_____inmyhometownsince1980
A.hancebeentakenplace
B.tookplace
C.havetakenplace
D.weretakenplace
并说出原因
尚利回答:
C
后面有since,表示持续进行到现在,要用havedone
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