1)What is the beginning of problems?
2)How does it happen that acid rain appears?
3)What is the process of water and soil pollutions?
4)What are the possible perspectives in this problem?

1. 1. Spicy/ as; 2. Share; 3. Try; 4. Fast; 5. Carry; 6. Dressing; 7. Veal; 8. Pork; 9. Turn; 10. Vegetarian; 11. Beef

2 1. Clam, oyster, scallop; 2. Tomato, cucumber, pepper; 3. Cabbage, carrot, celery; 4. Honey, jam, sugar; 5. Strawberry, raspberry, black currant, apricot; 6. Tea, coffee, juice, milk; 7. Eggplant, broccoli; 8. Citrus, berries, tropical fruits, stone fruits

3
1. Is she watching TV now?
2. He usually stays at this hotel
3. She does not like reading
4. Are they working now?
5. Is he writing a letter now?
6. He does not eat meet
7. I work at the library
8. Is she studying at the moment?
9. He is talking to Marry

1. I should try to go to sleep earlier.
2. I must help my mother with daily house work.
3. I might catch a cold if don’t wear warmer clothes when it is cold outside.
4. People should have compassion for each other.
5. I would like to go to the cinema with my friends on Sunday.
6. I might get into trouble if I misbehave.
7. She might forget her homework at home.
8. He will be late for work if he doesn’t set the alarm.
9. We could throw a surprise birthday party for our friend.
10. Of I skip classes I would fall behind.
11. She must be at home, the lights are on.