题干


12. Mr. White works with an import and export company, but he ______ for this industrial fair, since he is on leave.

A:has worked

B:work

C:has been working

D:is working

上一题 下一题 0.0难度 选择题 更新时间:2018-03-22 05:32:41

答案(点此获取答案解析)

D