Ladies and gentlemen, please fasten your seat belts .The plane _____ .A．takes of
题型：不详难度：来源：
Ladies and gentlemen, please fasten your seat belts .The plane _____ .| A．takes off | B．is taking off | C．has taken off | D．took off |
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答案
| B |
解析
试题分析：考查时态：句意是：先生们女士们，请系好安全带，飞机就要起飞。表示即将做，用现在进行时表示将来时。选B。
点评：一般将来时可以用：1.will加动词原形，表示临时决定做，2.be going to加动词原形，表示计划打算做，3.用现在进行时表示，表示即将做，4.用一般现在时表示按照时刻表，即将，5，am，is，are+do，计划安排，命令，做题时要区分。 |
举一反三
I ______ my winter holiday with my family in Beijing next month.
| A．am spending | B．spent | C．have spent | D．spend |
|
Kathy told me that all the doors and windows _______ when she arrived this morning.
| A．have cleaned | B．have been cleaned
| C．had cleaned | D．had been cleaned |
|
I _____ sooner but I didn’t know that they were waiting for me．| A．had come | B．was coming | C．would come | D．would have come |
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What will people die of in 100 years? If you think that is a simple question, you ______ attention to the revolution taking place in biotechnology．| A．have not been paying | B．had not been paying | | C．were not paying | D．will not be paying |
|
—Remember how we met for the first time, Dick?
—Of course I do．You ______ to the teachers’ office hurriedly and ______ me．| A．had walked; weren"t noticing | B．were walking; didn"t notice | | C．had been Walking; noticed | D．walked; had noticed |
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