题目内容
The kids from mountainous districts _________ never _________ computer games before.They' re so excited.A. have , played B. did , play C. are , playing D. do , play
答案:A
解析:
解析:
|
A
解题点拨: before在此句中为副词,意为“以前,过去,已经”,常与完成时连用。 |
练习册系列答案
相关题目