I. Make questions for the underlined words. 1. ______________________________________________________________ Water pollution is the contamination of water bodies, such as lakes, rivers and oceans. . ______________________________________________________________ The river water is heavily contaminated because of toxic waste dumping. 3. ______________________________________________________________
2 câu trả lời
1. What is water pollution?
2. why river water is seriously polluted?
Câu 3 đâu bạn?
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