题干

-----How long has the film_____?
-----For about half an hour.it_____at 7:30p.m.
A.been on;beganB.begun;beganC.been on;has beganD.begun;has began
上一题 下一题 0.85难度 单选题 更新时间:2019-04-03 02:45:18

答案(点此获取答案解析)