Ladies and gentlemen,please fasten your seat belts,the plane______. A.takes off B.is taking.

Ladies and gentlemen,please fasten your seat belts,the plane______. A.takes off B.is taking off C.is going to take off D.is to take off

B

本题考查时态。题干所表示的是航班乘务员在通知乘客系好安全带,其原因是“飞机马上要起飞了”,“take off”要用进行时表示将来时。答案选B。A项也可用现在时表示将来时态,但必须接有时刻类的时间状语,传达的是车、船、飞机将按所安排好的时刻起程。
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