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11. The teacher explained and we understood the lesson. > But for ....
12. If it hadn't rained, we would have a better crop. → But for....
13. If you want my advice, I wouldn't buy it. → If I ..
14. You help me every day so I can finish my work. > But for ....
14. I only come if they invite me. → Unless. the fo
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Sinh Học lớp 12
