A large number of students           planting trees now, the number of the stude

A large number of students           planting trees now, the number of the stude

题型:不详难度:来源:
A large number of students           planting trees now, the number of the students         2000.
A.is, isB.are, isC.is, areD.are, are

答案
B
解析
考察主谓一致。句意:许多学生正在植树。这些学生的数目是2000.结合语境可知前文a number of表示许多人,主语是复数,故系动词用are。下文the number of……的数目,主语是抽象名词,不可数,故系动词用is。选B。
举一反三
--- Where ___________ your pen pals from?    --- The United States.
A.does B.doC.isD.are

题型:不详难度:| 查看答案
My family______watching TV in the sitting room now.My family_______a big one.
A.are;isB.is;areC.are;areD.is;is

题型:不详难度:| 查看答案
---- Do you know Jack well?
---- Certainly, we _________ friends since ten years ago.
A.wereB.have madeC.have becomeD.have been

题型:不详难度:| 查看答案
一Have you got any friends in China?
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A.Yes,I doB.No,I don’tC.Yes,I have D.No,I haven’t

题型:不详难度:| 查看答案
Tom realized that he ________ his physics book at home when he reached school.
A.leftB.had leftC.was leavingD.leaves

题型:不详难度:| 查看答案
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