Since then the number of people taking driving lessons ________ 20％. A．has incre
题型：不详难度：来源：
Since then the number of people taking driving lessons ________ 20％. | A．has increased to | B．increases by | C．has increased by | D．have increased by |
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答案
| C |
解析
| 这题考查时态和介词的用法：时间状语是：since then，句子用现在完成时，increase by“增加了”，increase to增加到，句意是：自从那时起，上驾校的人的数量就增加了20%。选C。 |
举一反三
Would you please keep silent? The weather report ______ and I want to listen to it.| A．is broadcast | B．has been broadcast | C．is being broadcast | D．had been broadcast |
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Great changes _________ in my hometown in the past 20 years.| A．took the place | B．have taken place | C．were taken place | D．took place |
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When we arrived the cinema, the movie ____________ for 20 minutes.
A. had started B had been on C. started D. is on |
Although he is only 14 years old, he __________drugs for two years.| A．addicts | B．has addicted to | C．has addicted | D．has been addicted to. |
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