1. The air, water and land in or on which people, animals and plants live. * Мой ответ
2. Damage caused to water, air by harmful substances or waste. *
Мой ответ
3. To collect and treat rubbish to produce useful materials which can be used again. *
Мой ответ
4. A container for putting rubbish in. *
Мой ответ
5. A building where large quantities of things are made with machines. *
Мой ответ
2.He was washing his face when somebody knocked at the door.
3. The young people were dancing when I came to the party .
4. When he was washing the dishes , he broke a plate .
5. What was he doing when you saw them ?
6.She came home at eleven o'clock that's why she didn't call you.
7. When she saw him a year ago she didn't recognize him .
8.I was very busy yesterday . I was preparing for my exam the whole day.
9. My brother was washing the dishes while I was sweeping the floor .
10. Why didn't you see the doctor yesterday ?
11. It was raining heavily when he went out
1 what
2 die
3 tryed
4 did achieve
5 stop
6 were walking
7 created
8 finished