№1 •pollution,cars burn petrol,factories and other .
•These clouds carry this pollution, which makes acid rain, long distances. When it rains, snows or when there is fog or sleet, the atmosphere becomes polluted.
•I don’t know
•stop using cars or light in the house
Задание 2.
1. Tony has been talking on the phone for two hours.
2. I have been looking for my keys since 11 a.m.
3. We have been waiting for the bus for 20 minutes.
4. She has been playing computer games for 50 minutes.
6. They have been living in Moscow since January.
Задание 3
1. Make up with
2. Out
3. Up