—Flight MU257 . I must be off now.—Have a nice trip.A. is being announcedB. has announc

发布时间：2020-08-16 07:23:18

—Flight MU257      . I must be off now.
—Have a nice trip.
A. is being announced
B. has announced
C. was announcing
D. had been announced

网友回答

(答案→)A. is being announced
B. has announced
C. was announcing
D. had been announced
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