题目内容
【题目】—Will you go to the airport to meet Mary?
—I’m sorry. I ______tired out since I prepared for the midterm exam.
A. was B. have been C. had been D. will be
【答案】B
【解析】
试题分析:句意:---你要去机场接玛丽吗?---自从我为期中考试做准备,我一直很筋疲力尽。此题考查现在完成时,since是现在完成时的时间状语。根据句意,故选B。
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