MayIhaveyourattention,ladiesandgentlemen?Theplane　　　inf...

問題詳情：

May I have your attention, ladies and gentlemen? The plane 　　　in fifteen minutes. Please power off your cell phones.

A. was taking off    B. is taking off    C. has taken off    D. took off

【回答】

B

知識點：一般將來時及其被動式

題型：選擇題