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khoagoku163
2 năm trước
Give the correct form of the words in brackets to complete each sentence. (1 pt) 1. The lake will be gradually ________________with waste from households. (contamination) 2. Trees can’t grow here because of the soil_________________.(pollute) 3. Water samples collected at these villages were seriously ________________ with bacteria. (contaminate) 4. Light pollution makes us _____________ to see the stars in the sky. (able)
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