Fill in the blank but how clean is the air people breathe?

People need to breathe. If we don't breathe, we will die. But how clean is the air people breathe? If they breathe (1)............air, they will have breathing problems and become ill. Plants and animals need (2)..........air too. A lot of the things (3)...........our lives create harmful gases and make the air dirty, like cars, motorbikes and factories. Dirty air is called "polluted air". Air pollution can also (4)...........our Earth warmer. The problem of air pollution started with the burning of coal homes (5).............factories.

Trả lời dùm mình câu 1 thôi 

Theo dõi Vi phạm

Trả lời (4)

  • 1. will

    2. dirty

    3. in

    4. make

    Mk ko chắc lắm nha bạn

    Chúc bạn hk tốthaha

      bởi Vì Thị Thúy Trang 10/11/2019
    Like (1) Báo cáo sai phạm

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