--Do you think Jack will lend us a hand?--He is the last one to help others. He

--Do you think Jack will lend us a hand?--He is the last one to help others. He

题型:不详难度:来源:
--Do you think Jack will lend us a hand?
--He is the last one to help others. He _____lend his hand, though.
A.canB.mustC.shouldD.might

答案
D
解析

试题分析:考察情态动词用法。A可能B一定;必须;C应该;D也许;句意:—你认为Jack会帮我们的忙吗?—他是最不喜欢帮助别人的人。但是他也许会帮你。根据本句中的though说明本句含有转折的关系,他一直不喜欢帮助别人,但是他也许会帮助你。不过可能性较小,故使用might。D正确。
点评:英语中有不少情态动词都可以表示推测,其语气有强有弱,表示的可能性有大有小,现将它们的用法归纳如下:1. 接近100%的可能,只有must才具有这么高的可能性,它的意思是“一定”“肯定”,所作出的推测几乎接近事实。如:He must be coming by bus. 他一定是乘公共汽车来。2. 很有可能,表示可能性较大的情态动词主要有may, should, ought to,它们大致相当于汉语的“可能”“应该”“按理会”。 3. 一般性的可能,在所有表示推测的情态动词中,might和could所表示的可能性最小,由于它们的语气较委婉,较不确定,所以往往相当于汉语的“可能”“也许”“说不定”等。4. 理论上的可能性,表示理论上的可能通常是用can,且可以用于肯定句中。
举一反三
—Catherine,  I have cleaned the room for you.
—Thanks. You_______ it.  I could manage it myself.
A.needn’t doB.needn’t have done
C.mustn’t doD.shouldn’t have done

题型:不详难度:| 查看答案
Most of the big hotels in Shanghai were full last week, but finally we______find a room in a small one.
A.ought toB.couldC.were able toD.might

题型:不详难度:| 查看答案
The boss has given everyone a special holiday, so we ________ go to work tomorrow.  
A.can’tB.mustn’tC.needn’tD.shouldn’t

题型:不详难度:| 查看答案
–Carla _______ go to that historical museum after school when she was a teenager.
--No wonder she is so familiar with it.
A.couldB.shouldC.might D.would

题型:不详难度:| 查看答案
-- Why didn’t you go to Mike’s birthday party yesterday?
-- Well, I _____, but I forgot it.
A.shouldB.wouldC.should haveD.must have

题型:不详难度:| 查看答案
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