The price of this washing machine has been increased ____15%.

A. up       B. to       C. by       D. from

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The Blacks ______ in this factory since 1996.

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 Not only politics but also English is important. In other words , ___is important.

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 He will never forget the days ______he spent with you in Japan.

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---I missed the first part of the film .It was really a pity.

---You ________home half an hour earlier.

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 Tom usually goes fishing __ Sunday morning.

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 Look! Peter       TV happily, but his parents are busy in the kitchen.

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閱讀理解,根據(jù)短文內(nèi)容，從短文后的選項中選出適當?shù)倪x項補全短文。

     The earth is about 4,600 million years old. We humans have lived on the earth for only 35,000 years, but during this period we have changed our planet a lot in many ways.    1  

     All over the world, people have cut down millions of trees, so more and more kinds of animals and plants are disappearing. In big cities, cars and buses have polluted the air. Factories have also polluted the land and the water.

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     Carbon dioxide (CO2) in the air has increased a lot.   4  it has formed a "blanket" (毛毯) around the each.    5   This makes our earth become warmer and warmer. Therefore, this causes the level of the ocean to rise.

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—I went to Daming Lake yesterday. There were ______ people.

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