题目内容
【题目】Britain __to leave European Union last year. David Cameron, former Prime Minister __since then.
A. decided, retired B. decided, has been retired
C. has decided, retired D. has decided, has retired
【答案】B
【解析】句意:英国去年决定退出欧盟。英国前首相戴维卡梅伦( David Cameron )从此退休。考查动词时态辨析题。last year去年,用于一般过去时,可排除CD两项。since then从那时起,用于现在完成时,可排除A项。根据句意语境,可知选B。
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