问题 选择题

-A number of volunteers_______ willing to teach in China's rural(农村的) areas.

-Yes, the number is getting_______

A.is; bigger and bigger

B.are; bigger and bigger

C.is; more and more

D.are; more and more

答案

答案:B

题目分析:句意:--许多志愿者愿意去教书在中国的农村地区。--是的,数量是变得越来越大。分析a number of 许多;the number of 表示数量,强调整体;人群的数量越来越大用big/large.故选B

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