Solution:
- 1. Some children prefer junk food to a real lunch at school. So they buy chocolate bars, sweets and chips.
- 2. There is a number of very good pupils in my class. They are all clever learners and get good marks.
- 3. I'm afraid I haven't got enough money to buy this new sweater.
- 4. It said "No smoking" on the wall but a man was standing there with a cigarette.
- 5. Using alcohol is a very serious problem nowadays.
- 6. Drinking alcohol does people more harm than they think. It destroys their minds and bodies.
- 7. In my family we always have our evening meal together.
- 8. Eating healthy food helps us not to become ill.
- 9. I think I'll take up some sports. I'm quite sure of it.
Answer: 1. junk, 2. clever, 3. enough, 4. No smoking, with, 5. alcohol, 6. harm, 7. meal, 8. ill, 9. sports, quite.