用所给动词的适当形式填空 . 1. I am against _____ (build) a new zoo in our city. 2. Don't worry. All the little tigers _____ (take) good care of in the zoo. 3. _____ (collect) waste paper and bottles in the park is our duty. 4. We saw your brother _____ (throw) rubbish here just now. 5. We _____ (visit) a lot of famous zoos in the world so far. 6. _ (not spit) everywhere. You must keep the environment clean. 7. Some animals _____ (keep) in the zoo. I think it is not good for them. 8. We find zoos are not suitableplace for animals _____ (live) in. 9. Many animals are only _____ (give) food once a day. 10. If we don't support our zoo, they _____ (have) enough money to take care of so many fine animals. |