↑ 收起筛选 ↑
试题详情

---- Flight 551 for Dallas ________. I must be off now.

------Have a pleasant trip then.

A.is being announced  B. has announced C. was announcing  D. had been announced

高二英语单项填空中等难度题

少年,再来一题如何?
试题答案
试题解析
相关试题