用所给单词的适当形式填空。 1. We should do our be
| 用所给单词的适当形式填空。 |
| 1. We should do our best to save____ (endanger) animals. 2. It was really (fair) to him to ask him to do all the work. 3. We got a ____ (science) result through lots of experiments. 4. How do you feel about (pollute)? 5. The man ____ (own) a supermarket. He is the (own) of it． |
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