题目内容
【题目】 Beijing isn’t what it used to be. The last decade _______ great changes in the city images.
A. witnessed B. was witnessed
C. has witnessed D. had witnessed
【答案】C
【解析】
试题分析:考查时态。动作时从过去一直持续到现在,故用现在完成时。句意:北京不再是以前的样子了,最近十年已经见证了城市面貌的重大变化。故C正确。
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