题目内容
17、--- Flight 321 . I’d better be on my way. Bye.
--- Bye, Happy landing!
A．was announced B．is being announced
C．had announced D．is announced
试题答案
17、B
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--- Flight 321 . I’d better be on my way. Bye.
--- Bye, Happy landing!
A．was announced B．is being announced
C．had announced D．is announced
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