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

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 4:

A. boring

B. bigger

C. beautiful

D. warmer

Complete the following passage.

People need to breath. If they don’t breathe, they (1) ____________ die. But how clean is the air people breath? If they breath dirty air, they will have breathing problems and (2) ____________ ill. Plants and animals need clean air, too. (3) ____________ of things in our lives create harmful gases and make the air dirty, like cars, motorbike and factories. Dirty air called (4) ____________ air. Air pollution can also make our earth warmer. The problem of air pollution started with the burning a lot of coal in homes and factories.

Question 4:

Complete the following passage.

People need to breath. If they don’t breathe, they (1) ____________ die. But how clean is the air people breath? If they breath dirty air, they will have breathing problems and (2) ____________ ill. Plants and animals need clean air, too. (3) ____________ of things in our lives create harmful gases and make the air dirty, like cars, motorbike and factories. Dirty air called (4) ____________ air. Air pollution can also make our earth warmer. The problem of air pollution started with the burning a lot of coal in homes and factories.

Question 1:

Complete the following passage.

People need to breath. If they don’t breathe, they (1) ____________ die. But how clean is the air people breath? If they breath dirty air, they will have breathing problems and (2) ____________ ill. Plants and animals need clean air, too. (3) ____________ of things in our lives create harmful gases and make the air dirty, like cars, motorbike and factories. Dirty air called (4) ____________ air. Air pollution can also make our earth warmer. The problem of air pollution started with the burning a lot of coal in homes and factories.

Question 3:

Complete the following passage.

People need to breath. If they don’t breathe, they (1) ____________ die. But how clean is the air people breath? If they breath dirty air, they will have breathing problems and (2) ____________ ill. Plants and animals need clean air, too. (3) ____________ of things in our lives create harmful gases and make the air dirty, like cars, motorbike and factories. Dirty air called (4) ____________ air. Air pollution can also make our earth warmer. The problem of air pollution started with the burning a lot of coal in homes and factories.

Question 2:

Complete the following passage.

Many - pollution - it - will - polluted - become

People need to breath. If they don’t breathe, they (1) ____________ die. But how clean is the air people breath? If they breath dirty air, they will have breathing problems and (2) ____________ ill. Plants and animals need clean air, too. (3) ____________ of things in our lives create harmful gases and make the air dirty, like cars, motorbike and factories. Dirty air called (4) ____________ air. Air pollution can also make our earth warmer. The problem of air pollution started with the burning a lot of coal in homes and factories.