题目内容
(2017黑龙江齐齐哈尔)—How long is it since he this school?
—He for three years.
A. has left;has left B. left;has been away
C. leaves;has left
B 【解析】句意:——自从他离开这个学校时间是多长了?——他离开了3年了。根据since后用短暂性动词leave,表示时间点,根据句意用过去时态;根据for three years时间段,用延续性动词be away,根据 for three years用现在完成时态;故选B
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