题目内容
4.Tom ____ in the library every night over the last three months.( )A. | works | B. | worked | ||
C. | has been working | D. | had been working |
分析 句意:在过去的三个月里,Tom每晚都在图书馆里工作.
解答 答案C.句中时间状语over the last three months 通常与现在完成时连用,所以排除A、B和D选项.此处强调"Tom每晚在图书馆工作"这个动作从过去的三个月就开始一直持续到现在,还有可能会持续下去,因此用现在完成进行时,故选C.
点评 .本题考查时态的用法.解答此类题目的关键是要读懂句意,分析上下文的语境,判断时态,锁定答案.
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