The number of smokers in China ________ decreased in recent years.
A．has
B．have
C．is
D．are
答案：A
题目分析：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。
Mrs. Scott and her husband are both 1 . They teach in the same school. They go to school 2 . They leave home at eight o’clock in the morning. And they 3 home at four o’clock in the afternoon. Sam Scott and his sister Ann are 4 . Sam 5 by bus, and Ann goes to school 6 .Some of 7 friends walk to school, too. Sam and Ann get home at four o’clock in the afternoon. They 8 before dinner, and they watch TV 9 dinner. They usually 10 early, especially(尤其) on school nights.
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