A) clean air
B) dirty air
C) dirty water

A) watching TV all night
B) playing video games.
C) football feild

A) to make them wet
B) to remove dirty and germs
C) to remove dirty and germs

A) trees
B) cars
C) flowers

A) 9 – 10 hours.
B) 5 – 6 hours
C) 7 – 8 hours

A) morning and evening
B) every day
C) mid night

A) using more cars
B) planting more trees
C) burning more garbage.

A) eating lots of candy
B) playing video games.
C) break time

A) to be loud
B) to keep warm
C) to prevent spreading germs

A) listening to music.
B) cooking at home
C) factory smoke

A) Mr. Prince
B) Miss Hope
C) Miss victoria

A) stealing
B) football
C) dancing