The number of smokers in China decreased in recent years.A．hasB．haveC．isD．are 题目和参考答案——青夏教育精英家教网—

题目内容

The number of smokers in China ________ decreased in recent years.

A．has

B．have

C．is

D．are

试题分析：考查主谓一致：句意：中国抽烟人的数量在最近几年一直在减少。主语是the number of+名词复数“…的数量”，谓语用单数，时间是recent years和现在完成时连用。选A。

练习册系列答案

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A．How to survive, is	B．How does he survive, are
C．How does he survive, is	D．How to survive, are

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A．Those who have	B．Whoever has
C．Those who has	D．Whoever have

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