III. Circle a mistake in each sentence, and then correct it.
1. Don't speak English with him; he hardly not know any English.
2. We've decided to cancel our picnic despite it's forecast to rain tomorrow.
3. Researchers haven't found out what has led in the pollution of the river.
4. Radiation may result to childhood cancer.
5. Water from power stations may cause water in rivers and lakes hotter.
6. Could you tell me how much does it cost and where to buy it?
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Sinh Học lớp 12
