题干

----You _______ part in the party in time.
----Sorry I was delayed by the accident.
A.are supposed to takeB.have supposed to take
C.are supposed to have takenD.supposed to take
上一题 下一题 0.64难度 单项选择 更新时间:2013-04-12 07:28:56

答案(点此获取答案解析)