题目内容


30. – Why does the boss look worded?
– Tom left the company a month ago and his work unfinished ever since.
A.has been leftB.was leftC.leftD.is leaving
A

30.A(解析:考查时态。 since,ever since,so far,in/over/during the last years,for many years等表示一段时间的时间状语常与现在完成时连用,所以,由ever since可知答案选A。)
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