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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 【查看更多】

     

    题目列表(包括答案和解析)

    . — 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 

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    . — Flight 551 for Dalas ______. I must be off now.

    — Have a pleasant trip then.

    A. is being announcedB. has announced C. was announcing  D. had been announced 

    查看答案和解析>>

    — 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

    查看答案和解析>>


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