1
Using …………… as a source of energy can reduce some environmental problems.
2
Those factories …………………… clouds of smoke.
3
I prefer fruits and vegetables grown without the use of ………………
4
The report said that the victims had …………….. in the fumes.
5
The traffic jam is …………… affecting all people of different ages.
6
……………………, I will be late for school because the bus didn’t come.
7
Old cars usually give out toxic ………………… to the air.
8
After buying a car, I don’t have to ………………… on public transport all the time.
9
Thousands of fish were killed as a result of a discharge of ……………. chemicals from a nearby factory.
