Question

听短文，完成下面表格。每空一词。

Importance      Air is very important to 1_______. People all over the world are looking for 2_______ to make it clean again. If we are going to keep 3_______, we need to breathe clean air. Reason for air pollution      Sometimes 4_______ looks pretty in the air. But it is not good to breathe. More and more 5_______ and more and more cars, trucks and planes.

Answer 1

1. everything   2. ways  3. healthy  4. smoke  5. factories