A) dirty water
B) clean air
C) dirty 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) trees
B) flowers
C) cars

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

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

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

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

A) football
B) stealing
C) dancing