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.

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II- a. Read and choose the best answers.:

People need to breathe. If they don't breathe, they (1)............ die. But how to clean is the air people breathe? If they breath (2)............ air, They will have breathe problems and become (3)........ Plants and animals need (4)............... air, too. A lot of things in our lives create harmful gases and (5)............. the air dirty like cars, motorbikes and factories. Dirty air is called polluted air.

1. A. must B. will C. are D. is

2. A. clean B. clear C. dirty D. pollution

3. A. cycling B. strong C. better D. ill

4. A. dirty B. clean C. safe D. A & B

5. A. make B. get C. let D. give

Complete the following passage.

People need to breathe. If they don't breathe, they 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 clean air too. A lot of things (2) __________ our lives create harmful gasses and make the air dirty, like cars, motorbikes and factories. Dirty air is called " (3) __________ air". Air pollution can also make our Earth (4) __________. The problem of air pollution started with the burning of coal in homes and factories.

Question 4:

A. boring

B. bigger

C. beautiful

D. warmer

Complete the following passage.

People need to breathe. If they don't breathe, they 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 clean air too. A lot of things (2) __________ our lives create harmful gasses and make the air dirty, like cars, motorbikes and factories. Dirty air is called " (3) __________ air". Air pollution can also make our Earth (4) __________. The problem of air pollution started with the burning of coal in homes and factories.

Question 3:

A. polluted

B. polluting

C. pollution

D. pollute

Complete the following passage.

People need to breathe. If they don't breathe, they 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 clean air too. A lot of things (2) __________ our lives create harmful gasses and make the air dirty, like cars, motorbikes and factories. Dirty air is called " (3) __________ air". Air pollution can also make our Earth (4) __________. The problem of air pollution started with the burning of coal in homes and factories.

Question 1:

A. clean

B. fresh

C. dirty

D. green

Complete the following passage.

People need to breathe. If they don't breathe, they 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 clean air too. A lot of things (2) __________ our lives create harmful gasses and make the air dirty, like cars, motorbikes and factories. Dirty air is called " (3) __________ air". Air pollution can also make our Earth (4) __________. The problem of air pollution started with the burning of coal in homes and factories.

Question 2:

A. at

B. in

C. to

D. on

Choose the letter A, B, C or D to answer these following questions

People need to breathe. If they don’t breathe, they will die. But how clean is the air people breathe? If they breathe dirty air, they will have breathing problems. Plants and animals need fresh air too. A lot of the things in 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 make our Earth warmer.

Question: What is the other name of dirty air?

A. Polluting air

B. Pure air

C. Breathless air

D. Polluted air

Choose the letter A, B, C or D to answer these following questions

People need to breathe. If they don’t breathe, they will die. But how clean is the air people breathe? If they breathe dirty air, they will have breathing problems. Plants and animals need fresh air too. A lot of the things in 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 make our Earth warmer.

Question: What is the impact of air pollution to the Earth?

A. TThe Earth will be exploded.

B. The Earth will get warmer.

C. People can’t live on the Earth. 

D. The Earth has no impact.