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

B

【解析】

試題分析:考查現(xiàn)在進行時表示將來時態(tài)。由題目可知這架飛機將在十五分鐘后起飛，此處的is taking off相當于will take off。句意為：女士們，先生們請注意，這架飛機將在十五分鐘后起飛，請關掉您的手機。故選B。

考點:考查現(xiàn)在進行時表示將來時態(tài)。

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