19．—Flight 331 ．I'd better be on my way．Goodbye． —Bye．Happy landing!A. is announcedB. is b

发布时间：2020-08-15 02:38:32


19．—Flight 331     ．I'd better be on my way．Goodbye．
—Bye．Happy landing!
A. is announced
B. is being announced
C. is announcing
D. has announced

网友回答

A. is announced
(答案→)B. is being announced
C. is announcing
D. has announced
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