— Flight 551 for Dalas ______. I must be off now. — Have a pleasant trip then. A. is being announce...
2023-02-13 04:38:21 209次 重庆市万州高级中学2010级高考适应性考试 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
— Flight 551 for Dalas ______. I must be
off now.
— Have a pleasant trip then.
A. is being announcedB. has
announced C. was announcing D. had been announced
本题链接：
