5. 我表哥对球类运动感兴趣, 包括排球、篮球等等。

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4. 扎龙自然保护区是各种不同野生生物的理想家园。

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3. 一些人不理解保护环境的重要性。

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2. 越来越多的鸟处于危险中, 因为它们没有足够的空间。

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1. 艾迪打算明天早晨去市场观鸟。

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　　 When we take a walk ________(围绕着) Washington Square Park, I see a lot of people walking with dogs. It is still ________(真的) that a dog is the most useful and faithful animal in the world, but people have __________(改变) the reasons why they keep a dog. Of course, they keep dogs in order to keep ________(安全的). But the most important reason is that they can have friends, because the city can be a ________(孤独的) place. For child, a dog is his best friend when he has no friends to play with. For young couples, a dog is their child when they have no children. For old couples, a dog is also their child when their real children have _________(成长) up. Now can you see the reason why people keep dogs?

8. Thunder always comes after __________ (light).

7. When he was ________ (trap), he screamed for help.

6. Giant pandas like eating bamboo __________ (leaf).

5. Yesterday Miss King ___________ (wear) a pair of new leather shoes.