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1、_____.

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2、_____.

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3、_____.

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4、_____.

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5、_____.

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The real trouble _____their lack of confidence in their faculty.

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Well, let's put our heads together and find a(n)_____to the problem.

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、 It's bad policy for developing countries to sacrifice environmental protection to _____economic growth.

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He did it _____gratitude for everything she had done for him.

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Stop making so much noise, for you are _____me in my studies.

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If only the committee _____the regulations (规章 )and put them into effect as soon as possible.

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He claimed that he would be a _____in the presidential election, and would win the election at last.

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To get the job started, _____I need is your permission.

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The president _____Mr. Baker medical adviser.

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Open the window, _____?

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When a fire _____at the National Exhibition in London, at least ten priceless paintings were completely destroyed.

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_____is terribly tiring working late like _____.

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We are using up our natural resources too quickly and at same time we are _____our Environment with dangerous chemicals.

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Wood furniture does not depreciate in value _____.

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Nowhere else in the world _____more friendly people than in this small town.

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I'd rather marry a man who had a(n) _____of humour than one who was very attractive.

简答

1.有人认为出国留学有很多好处;2.有人认为出国留学有很多不利之处;3.你的看法是… …