65.A.can’t have done表示对过去事实的推测.意为“肯定没有-- .should not have done表示不该做而做了,need not have done表示没必要做而做了,只有must have done.无mustn’t have done形式.mustn’t表禁止.根据句意“不像是Jack不友好 .下句是表推测的.“所以肯定是当你喊他时他没看到你 . 查看更多

 

题目列表(包括答案和解析)

The boss ______ the worker how to do it, or the accident couldn’t have happened.

A.can’t have toldB.ought to tellC.could have toldD.mustn’t have told

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第五部分:短文填空(共10小题,每小题1分,共10分)

根据下面两篇文章的上下文意思从括号中选择适当的单词或短语填空。

请将答案写在答题纸的相应位置。

A.At the Spring Festival in China,people eat dumplings,fish and meat and may give children    1   (lucky,luck) money in red paper.There are dragon dances and camivals,and families    2   (celebrate,celebration) the Lunar New Year together.People love to    3   (get together,go together)to eat,drink and    4   (have fun with,play with)each other.Festivals let us enjoy life,be proud of our    5   (customs,habits)and forget our work for a little while.

B.The writer’s wife    6   (tries,was trying) on a hat but he did not like it.He sat down and waited for her.Then they began    7    (arguing,argued) again.He had bought a tie the day before but his wife did not like it. ‘A man    8   (can never,can) have too many ties.’he said.His wife used exactly the same argument ‘A woman can’t have    9   (so,too)many hats,’ and bought the hat.It    10    (looked like,looked) a lighthouse.

 

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根据上下文,在每个空格处填入一个适当的单词,使文章意思通顺、前后连贯、结构完整。
Nowadays, with the development of science and technology, cloning has become a hot topic for many people. Some people are against it ,while others are in favour   【小题1】   it. Personally, I wouldlike to say that cloning is good 【小题2】  the human race.
 【小题3】  , cloning technology proves helpful for genetics researchers. With cloning technology, scientists   【小题4】 bring some animals that are extinct back to life. Secondly, cloning body parts can serve as a lifesaver for people    【小题5】   are seriously ill. When a body organ such as a kidney or heart fails to function, it may be possible to replace it    【小题6】  a cloned one. Thirdly, if a couple can’t have    【小题7】 child, human cloning technology will make it possible for them to have a child. All in all, I firmly believe that cloning is beneficial 【小题8】  the human race.

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 (2010年青岛一模)—Everyone in my class passed the exam.

—Oh,really?It________difficult.

A.can’t have been             B.needn’t have been

C.must be                        D.mightn’t be

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John ___ such a thing about you. He never speaks ill of you behind your back.

A.can't have said

B.might not have said

C.couldn't say

D.mustn't have said

 

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