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Since then the number of people taking driving lessons ________ 20%.

时间:2022-06-06 20:19:46

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

答案及解析: C

解析:

since the意为“自那以后”,要求(主句)句子用完成时态,可排除B项;

the number of意为“……的数量”,作主语时谓语应用单数,可排除D项;

increase to意为“增加到”,后接结果;

increase by意为“增加了”,后接幅度,所以C项为最佳选项。

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