No one________ be more generous;he has a heart of gold.         (2013·天津,9)A.cou

No one________ be more generous;he has a heart of gold.         (2013·天津,9)A.cou

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No one________ be more generous;he has a heart of gold.         (2013·天津,9)
A.couldB.must
C.dareD.need

答案

解析
A
解析 考查情态动词。句意为:没人比他更慷慨;他有一颗金子般的心。“No one could be more generous”是否定词和比较级连用,表达最高级含义,A项could可以在否定句中表示推测,为正确答案。B项表推测,只用在肯定句中;dare和need不符合句意。
举一反三
He________sleep,although he tried to,when he got on such a hunt for an idea until he had caught it.                                                     (2013·湖南,32)
A.wouldn’t B.shouldn’t
C.couldn’tD.mustn’t

题型:不详难度:| 查看答案
When I was a child,I ________ watch TV whenever I wanted to.        (2013·江西,29)
A.shouldB.could
C.mustD.need

题型:不详难度:| 查看答案
I ________ use a clock to wake me up because at six o’clock each morning the train comes by my house.                                                    (2012·新课标全国,30)
A.couldn’tB.mustn’t
C.shouldn’tD.needn’t

题型:不详难度:| 查看答案
—God!My cell phone is missing.
—You ________ have left it at home.I heard you telephone our daughter in the bathroom.
A.shall B.must
C.wouldD.could

题型:不详难度:| 查看答案
Even students of average intelligence ________ become top students by improving their study habits.
A.mustB.can
C.have toD.ought to

题型:不详难度:| 查看答案
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