Combine each pair of sentences below to make a first conditional sentence.
1. The water is polluted. People don't have fresh water to use.
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If the water is polluted, people won't have fresh water to use.
2. More people cycle. Air pollution reduces.
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If there are more people cycle, the air pollution will reduce.
3. We all use the green shopping bags. We help the environment.
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If we all use the green shopping bags, we can help the environment.
4. We use recycled products. We save money.
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If we use recycled products, we can save money.
5. People throw rubbish into the street. They make the environment dirty.
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If people throw rubbish into the street, they will make the environment dirty.
6. You don't turn off the tap while brushing your teeth. You waste water.
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If you don't turn off the tap while brushing your teeth, you will waste water.
7. It rains tomorrow. They don't go on a picnic.
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If it rains tomorrow, they won't go on a picnic.
8. I have a sheet of paper. I write on both sides.
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If I have a sheet of paper, I will write on both sides.
9. She doesn't turn off the light before sleeping. She doesn't sleep well.
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If she doesn't turn off the light before sleeping, she can't sleep well.
10. He has lots of old clothes. He gives them to the poor.
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If he has lots of old clothes, he will give them to the poor.
đây nhé bạn
