21[.單選題]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為不可數(shù)名詞，故用little修飾，比較級(jí)用less。

　　22[.單選題]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引導(dǎo)狀語(yǔ)從句，表示“以便”。

　　23[.單選題]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]主語(yǔ)是單數(shù)，盡管后面跟有together with等引起的短語(yǔ)，謂語(yǔ)動(dòng)詞仍用單數(shù)。

　　24[.單選題]__ 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+狀語(yǔ)”置于句首時(shí)，句子倒裝。

　　25[.單選題]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]此句是反義疑問(wèn)句。

　　26[.單選題]-- 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]本句使用被動(dòng)語(yǔ)態(tài)的進(jìn)行時(shí)。

　　27[.單選題]We are happy __ we are not very rich.

　　A.however

　　B.though

　　C.but

　　D.even if

　　[答案]B

　　[解析]though引導(dǎo)讓步狀語(yǔ)從句，表示“雖然……但是……”。

　　28[.單選題]_____ 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[.單選題]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[.單選題]The flood has done _____ to this area.

　　A.damages

　　B.many damages

　　C.much damage

　　D.damaging

　　[答案]C

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