根據句意填寫單詞。
1. How heavy the pig is! It_____at least 200 kilos.
2. He had a toothache. He went to the dentist to_____the tooth out.
3. If I have_____time, I enjoy working in the garden.
4. There are many kinds of_____cars in his bookcase.
5. Different kinds of birds are kept in a large_____ in the zoo.
6. The earth is a _____which travels around the sun.
7. There are five yellow stars in our national _____.
8. We must stop using_____bags to protect the environment.
9. The cage is too_____for two tigers to live in.
10. Mr Green is _____of her son, who won the first prize in the singing
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