IV)-Combine each pair of sentences, using conditional sentences type 1.
1. A person looks at the sky at night. He is not able to see the Milky Way by naked eye.
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2. Noise pollution happens regularly. It causes stress or nuisance.
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3. Water pollution gets more serious in the future. It affects the development of economy and society.
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4. Australia has invested in water in Viet Nam with good results. Half of the population in the rural areas has access to fresh water.
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5. You use compact light bulbs. You save a lot of energy.
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6. We have more space. We plant more trees.
1. If a person don't look at the sky at night, he will able to see the Milky Way by naked eye .
2. If noise pollution doesn't happen regularly, it will not cause stress or nuisance .
3. If water pollution doesn't get more serious in the future, it will not affect the developement of economy and society
4. If Australia doesn't invest in water in Vietnam with good results, half of the population in the rural areas doesn't access to fresh water.
5. If you don't use compact light bulbs, you won't save a lot of energy
6. If we have more space, we will plant more trees.
