___ Exercise 2. Fill in the blanks with suitable words in the box.
allergy
toothache
suffer
worse
vegetables
tired
bad
flu
sick
and
1. Some people have a very _________ habit in littering in public.
2. People who live in dusty areas often _________ from diseases.
3. Julia has a headache, and she feels _________.
4. I have an _________, so I choose food and drink very carefully.
5. You should spend less time playing computer games, or your eyes will be _________.
6. Tom feels _________, but he doesn’t go to bed early.
7. Trung eats too many sweets so he has a terrible _________.
8. To prevent the _________, we should keep our hands clean and our feet warm.
9. Fresh _________ promote health.
10. Tom is fat because he eats too much ______ doesn’t get enough exercise