I ( be) to Beijing three times. I first (go) there two years ago. 题目和参考答案——青夏教育精英家教网—

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2. I_______ ( be) to Beijing three times. I first (go) there two years ago.

2. have been;went

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阅读下面短文，在空白处填人一个合适的词,使短文意思通顺、完整。

It seems that the cities in the future will have to change. Because the world's population is 1 quickly now. There will 2 a lot more people in the cities tomorrow.

It may be hard for every family to 3 a house in the future，because there isn't enough 4 to build houses. The 5 to solve this problem is to build the skyscraper city(摩天城）.

In a skyscraper city,about 250 ，000 people can live together. Each skyscraper city will have four towns in it and each 6 will have ten villages. People will live,work and 7 their free time in them. They won't need to leave the city unless(除非)they want to. They will be 8 to move about in the city by

transportation controlled 9 computers. Let's imagine 10 life will be like then.

1._______ 2.__________ 3._______ 4.________

5._______ 6._______ 7._______ 8._________

9._______ 10._________

5. As we know,America is a (develop) country.

1. They had a good summer holiday.(改为一般疑问句）

they a good summer holiday?

2.______ (尽管)the work was hard, they enjoyed themselves.

2. 玛丽亚在暑假交了几个新朋友。

Maria some new during her summer holidays.

4. She often feeds the animals.(改为现在完成时的句子）

She the animals.

4. We can watch movies in the cinema. We can watch movies on the Internet.(合并为一句）

We can watch movies__________ _______ in the cinema on the Internet.

6. These old books can be very v ，so you'd better collect and keep them.

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