摘要： - Flight 551 for Dalas . I must be off now. - Have a pleasant trip then. A. is being announced B. has announced C. was announcing D. had been announced
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. — Flight 551 for Dalas ______. I must be off now.
— Have a pleasant trip then.
|
A．is being announced |
B．has announced |
C．was announcing |
D．had been announced |
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— Flight 551 for Dalas ______. I must be off now.
— Have a pleasant trip then.
A. is being announced B. has announced C. was announcing D. had been announced
查看习题详情和答案>>— Flight 551 for Dalas ______. I must be off now.
— Have a pleasant trip then.
A. is being announced B. has announced C. was announcing D. had been announced
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