Flight 737 . I must go. Thanks for all your kindness. A. is being announced B. is an——青夏教育精英家教网—

摘要： Flight 737 . I must go. Thanks for all your kindness. A. is being announced B. is announced C. will be announced D. was announcing

网址：http://m.1010jiajiao.com/timu_id_3961935[举报]

— Flight 737 ______. I must go. Thanks for all your kindness.

— You are welcome.

A. is announcing　　　　　　　 B. has announced　

C. will be announced　　　　　　 D. is being announced

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