题目内容
【题目】He _____ with English grammar every night over the last three months.
A. struggles B. struggled
C. has been struggling D. had been struggling
【答案】C
【解析】考查动词时态。句意:在过去的三个月里他每天晚上都在努力学英语语法。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项正确。
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