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

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

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

A) cars
B) flowers
C) trees

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

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

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

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

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

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

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

A) stealing
B) dancing
C) football