题目内容
Tom ________ in the library every night over the last three months.
A. works B. worked
C. has been working D. had been working
C
【解析】
试题分析:句意:在过去的三个月里Tom每天晚上都在图书馆工作。根据over the last three months可知强调在过去时间段,一直从事某件事,优先选择现在完成进行时,即C项。
考点:考查时态
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