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2. Her f______ day is Monday. Because she can play football.
3. I like music very much. It's r______.
4. In a w______, you should help him.
5. I like the c______ of Shanghai. ,
6. My parents are very b______ every day.
7. Are you t______ after work?
8. What do you have on M______?
9. Our teacher is very s______ with us.
10. He likes playing w______ his dog.
Years ago, many zoos kept all kinds of animals in small cages (笼子). Small cages made it e 1 for people to see the animals, but a small cage is not a good place for an animal to l 2 in.
Today zoos keep animals in d 3 kinds of cages. The cages are very b 4 and open. They usually have plants and a little lake. The c 5 look like the animals’ wild habitats (栖息地).
Zoos help to p 6 all kinds of animals. They protect animals in the zoo and they protect animals in the wild. How do they do this? Zoos show people h 7 animals live in the wild.
Many plants and animals are going extinct. Mammoths, which are related (有关联的) with Asia elephants, are now extinct. There are n 8 mammoths in the world today. Scientists s 9 that seventy-four different kinds of living things go extinct every day!
Zoos are working together to s 10 animals from going extinct.
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