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

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) trees
B) flowers
C) cars

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

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

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

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

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

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

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

A) football
B) dancing
C) stealing