题目内容
Flight 331______.I’d better be on my way. Bye-bye.
--Bye.Happy landing.
A. was announcing B. is being announced
C. has beeen announced D. is announced
B
根据语境表示正在进行。

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题目内容
Flight 331______.I’d better be on my way. Bye-bye.
--Bye.Happy landing.
A. was announcing B. is being announced
C. has beeen announced D. is announced
B
根据语境表示正在进行。