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3. We haven't met any difficulties           ____ (到目前为止).

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There are many ways to save the environment if you would like to. Here are some of them.

Plant more trees. Choose a piece of 1       / graund/ near your house or workplace unless (除非)t 2       are any rules stopping you growing trees in that area,go ahead and grow trees. Plant a tree every month and 3       (鼓励)your friends to join you. Have more and more trees planted and there will come a day when you have green land t 4       to your hard work-Walk more and drive less. Choose to walk instead of 5       your car. Walk or ride a bicycle to work if it's not very far. And each time you avoid using your car,you're doing something 6       (有用的)to reduce air pollution. You are saving fuel,money and keeping fit as well.

Save water. Water is important to living things. The simplest w 7       to save water is to shut 8       the tap(水龙头)after you use the water. When you visit a beach,make sure that you don't throw waste around. Do not 9      /pa'luit / rivers by dropping rubbish or other waste. Water is so precious(珍贵的)that we  10    不能) waste or pollute it.

1.       2._______  3._________

4.________  5._______  6._________

7.__________ 8._______  9._________

10. _______

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(   ) 2.——How is your son getting along with his math?

   ―He      since you talked to him last month.

A.    made some progress

B.    has made some progresses

C.    made great progress

D.    has made great progress

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2. ―May I speak to Anna?

―Sorry, she       (go) to London.

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6. Though the traffic was heavy,we m       to get to the airport in time.

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3. He had no money with him. What's        (bad),he lost his mobile phone.

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2. ―Have they ever seen this opera?(作否定回答)

―_______     ,they . 

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4. I don't like to travel during the May Day holiday.

I                during the May Day holiday.

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Weekends are important to us. We can relax ourselves. Do you know what Americans in the early twentieth century ( 1900―1925 ) did on weekends? What do you do on weekends now? 1      Then new inventions changed the weekends. People used electric streetcars(有轨电车) to travel in the cities. 2      Young people liked roller coasters. The first movie lasted only one minute. 3     In 1927 ,movies finally had sound. Sometimes people stayed at home and listened to another new invention——the radio. People in cities worked indoors during the weekdays. 4      Bicycling became a popular activity. Now there are more inventions in our life. People have more time and money, too. 5     People travel in their own cars. Or they can visit big parks like Disney World and ride modern roller coasters and go higher and faster than ever before. They can choose from lots of different movie theaters. Or they can watch videos at home. More and more people begin to do all kinds of sports at the gym. Others turn on their TV sets and watch sports on "Family Night".

根据短文内容,从下面方框中选择恰当的句子还原到文中,使短文意思通顺、完整。 

A. So they have more ways to spend their weekends.

B. In the early 20th century, people spent lots of time at home on weekends.

C. They wanted to be outdoors on weekends.

D. In the 1920s, movie theaters sold millions of tickets each week.

E. On weekends, they rode the streetcars to the parks 

1.__________  2.__________  3.___________

4.__________  5.___________

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