At times the balance in nature is ____, resulting in a number of possibly unforeseen effects.

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• 1— Hi, what's the rush? — I am off to the library right now to ______  a seat for my roommate!

  A.preserve

  B.order

  C.reserve

  D.provide

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• 2He lost his job three months ago; ______ , he was seriously injured in an accident last week.

  A.in the first place

  B.to make matters worse

  C.on the contrary

  D.in other words

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• 3---What do you think of the movie? ----,_____, the movie isn't interesting enough, though lots of money has been spent on it.

  A.To be honest

  B.That's to say

  C.Generally speaking

  D.I'm not sure

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• 4To work from home, which one could hardly imagine, has been made ______ with the development of computer technology.

  A.it possible

  B.possible

  C.possibly

  D.to be possible

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• 5There is ___________ as a free lunch.

  A.not such thing

  B.no such a thing

  C.no such thing

  D.such no thing

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• 6– I won't do it any more.    --_______?

  A.Why don't

  B.Why don't do it any more

  C.Why not

  D.Why not to

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• 7This dictionary ________ me. It cost me twenty dollars.

  A.is belonged to

  B.is belonging to

  C.belongs to

  D.belonged to

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• 8I'm not sure whether he has the key that ______ the door of the classroom.

  A.had belonged to

  B.belonging to

  C.belongs to

  D.is belonged to

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• 9The book, which sells well, is ______ on a true story.

  A.based

  B.focused

  C.decided

  D.located

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• 10The number of  the students in our school ________ about 3000 and ______ them study hard.

  A.is, a large amount of

  B.are, a number of

  C.are, large amount of

  D.is, a large number of

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