Author's Instructions
1. Listening
2. Write the types of pollution.
3. Give the correct form of the words in brackets.
4. Give the correct form of the verbs.
5. Rewriting sentences.
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Author's Instructions
1. Listening
2. Write the types of pollution.
3. Give the correct form of the words in brackets.
4. Give the correct form of the verbs.
5. Rewriting sentences.