a. Match the words with the descriptions. Listen and repeat. (Nối các từ với các mô tả. Nghe và lặp lại.)
1. ban a. keep someone or something safe, or stop something dangerous happening.
2. reduce b. make the environment dirty
3. reuse c. make trash (paper, glass, plastic, etc.) into a new product
4. recycle d. make something less or smaller
5. pollute e. officially stop people from doing something
6. protect f. hurt someone or something
7. damage g. use something again
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