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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】

试题分析:考查现在进行时表示将来时态。由题目可知这架飞机将在十五分钟后起飞,此处的is taking off相当于will take off。句意为:女士们,先生们请注意,这架飞机将在十五分钟后起飞,请关掉您的手机。故选B。

考点:考查现在进行时表示将来时态。

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