题干

------______, is the seat free?
------______, it’s taken. My friend will be back soon.
A.I’m sorry; I apologizeB.I beg your pardon; I’m afraid
C.Good morning; Oh, that’s right.D.Excuse me; Sorry
上一题 下一题 0.85难度 单项选择 更新时间:2017-01-17 03:41:39

答案(点此获取答案解析)