คำแนะนำของผู้เขียน
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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G8 - Unit 7: Looking back
คำแนะนำของผู้เขียน
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.