21[.单选题]Usually there is __ traffic in the streets on weekdays than on Sundays.

　　A.little

　　B.less

　　C.few

　　D.fewer

　　[答案]B

　　[解析]traffic为不可数名词，故用little修饰，比较级用less。

　　22[.单选题]I will leave him a note __ he'll know where we are.

　　A.so that

　　B.that

　　C.in order

　　D.for

　　[答案]A

　　[解析]so that引导状语从句，表示“以便”。

　　23[.单选题]Dr.Smith, together with his wife and two sons, __ to arrive on the evening flight.

　　A.are

　　B.are going

　　C.is

　　D.will be

　　[答案]C

　　[解析]主语是单数，尽管后面跟有together with等引起的短语，谓语动词仍用单数。

　　24[.单选题]__ succeed in everything we do.

　　A.Only by working hard can we

　　B.By only working hard we can

　　C.Only we can by working hard

　　D.Only by working hard we can

　　[答案]A

　　[解析]“only+状语”置于句首时，句子倒装。

　　25[.单选题]You oughtn't to have been there, __?

　　A.hadn't you

　　B.didn't you

　　C.oughtn't you

　　D.ought you

　　[答案]D

　　[解析]此句是反义疑问句。

　　26[.单选题]-- Have you moved into the new house?

　　-- Not yet.The room __.

　　A.is being painted

　　B.are painting

　　C.are painted

　　D.are being painted

　　[答案]A

　　[解析]本句使用被动语态的进行时。

　　27[.单选题]We are happy __ we are not very rich.

　　A.however

　　B.though

　　C.but

　　D.even if

　　[答案]B

　　[解析]though引导让步状语从句，表示“虽然……但是……”。

　　28[.单选题]_____ loves them dearly.She spares no money and makes great efforts to have them well educated.

　　A.Mary’s and Kate’s mother

　　B.Mother of Mary’s and Kate’s

　　C.Mary and Kate’s mother

　　D.Mother of Mary and Kate’s

　　[答案]C

　　29[.单选题]Mr.Brown, and not I , ________ chosen to be the representative of the class.

　　A.is

　　B.am

　　C.are

　　D.have been

　　[答案]A

　　30[.单选题]The flood has done _____ to this area.

　　A.damages

　　B.many damages

　　C.much damage

　　D.damaging

　　[答案]C

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