1) Toxic fumes____ out the air we breathe
1. Polluted
2) Governments ____ to reduce air pollution for years
1. Have tired
3) Paula_____ for house
2. Has been working
4) He has been studying____ this morning
1. Since
5) John ____ for two hours now!
1.has been sleeping
6) Your handwriting is not clear. I can't make____ what you've written
1.up
7) We should use ____ power to heat our homes
2. solar
8)_____ factories have new technologies that reduce toxic emisionss
9) They had a fight but they soon made___
2. Up
10) Acid rain____ trees and plants
1. Poisons