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1. If we plant more trees, the air will be fresher.
2. If we use fewer cars, we will reduce pollution.
3. If we cycle to school every day, we will keep fitter.
4. If we use recycled products, we will save money.
5. If the boys eats so many green apples, he will be ill. 
6. If we use reusable bags for shopping, we will reduce waste.
7. If she doesn't hurry, she will be late for school.
8. If you don't water the plants, they will die.

1. If we plant more trees, the air will be fresher

2. If we use fewer cars, we will reduce polluted

3. If we cycle everyday, we will keep fitter 

4. If we use recycled products, we will save money

5. If the boy eats so many green apples, he will be ill

*Sorry bạn nha, mình chỉ biết nhiêu đây thôi, mong bạn thông cảm ạ!*