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. 【查看更多】
题目列表(包括答案和解析)
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
