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3. 每個(gè)人都應(yīng)該為保護(hù)環(huán)境做出貢獻(xiàn)。

Everyone should___       protecting the environment.

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(   ) 4.——In the past,many teenagers had to work to help ________ their families,

because their families couldn't      their education.

     ——What a pity !

A. support;supply

B. afford;support

C. support;afford

D. afford;give

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(   ) 2. ―         we have passed the exam,we'll be able to relax. 

       —Yes. I can't wait. 

A. Once    B. Before

C. While    D. Though

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(   ) 1. Mary's father is a( n)          . He has designed many buildings of our city.

A. artist B. secretary

C. laborer D. engineer

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(   ) 8.——He has made an important contribution to         our company.

      —So he has.

A. develop     B. develops C,developed  D. developing

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(   ) 5. ―At weekend,______________ parents spend       time on TV. They have less time to spend with children. 

     —It's not good. We should change it.

A.    too many;too much

B.     too much;too many

C.    much too;many too

D.    many too;much too

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3. If everything goes    (按照)the plan,we'll finish the work on time.

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3. My brother has been in        (大學(xué))for two years.

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3. ——Tom,where is your mother?

——She has gone to the m________to buy fruit and vegetables for us.

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