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Fill in the gap people need to breathe, if they don’t breathe, they die?

People need to breathe. If they don’t breathe, they (1) ____________ die. But how clean is the air people breathe? If they breathe (2) ___________ air, they will have breathing problems. Plants and animals need (3) __________ air too. A lot of the things in our lives create harmful gases and (4) _________the air dirty, like cars, motorbikes, and factories. Dirty air is called polluted air. Air pollution can also make our Earth warmer.The problem of air pollution stared ( 5 )...... the burnin a lot of coal in homes and factories

5) a: with  b)of   c) at   d) on

  bởi Quynh Nhu 16/10/2019
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Câu trả lời (1)

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    People need to breathe. If they don’t breathe, they (1) ______on______ die. But how clean is the air people breathe? If they breathe (2) _____with______ air, they will have breathing problems. Plants and animals need (3) ____of______ air too. A lot of the things in our lives create harmful gases and (4) ___at______the air dirty, like cars, motorbikes, and factories. Dirty air is called polluted air. Air pollution can also make our Earth warmer.The problem of air pollution stared ( 5 )....of.. the burnin a lot of coal in homes and factories

     

      bởi Hà Duy Hiếu 16/10/2019
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