题目内容
【题目】Tom in the library every night over the last three months.
A. works B. worked
C. has been working D. had been working
【答案】C
【解析】
试题分析:考查时态。句意:在过去的三个月里,Tom每天晚上都在图书馆里学习。由句中的时间状语over the last three months可知应用现在完成进行时。故选C。
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