Question

【题目】2018年上海奉贤二模It is 4:30 p.m. Ben and Leon_______their work, so they are playing chess now.

A. are finishing B. finished C. have finished D. will finish

Answer 1

【答案】C

【解析】句意：下午4点30分。本和利昂已经完成了他们的工作，所以他们现在正在下象棋。根据I so they are playing chess now.可知他们现在正在下象棋，因此可知他们已经完成作业了，对现在造成了影响，故用现在完成时，故选C。