1. second
2. Play - dangerous
3. exciting
4. juicy
5. weight
6. cycler
7. swimmer
8. depth
9. Cooking
10. less
11. feed
12. collection
13. excited
14. exciting
Bài 2:
1. Don't forget to water the vegetable
2. Remember to water the vegetables
3. What nice weather (it is)!
4. They don't let the students smoke in class.
5. Both Peter and his brother are football players.
6. Both Dan and Jim are newcomers
7. She is both beautiful and graceful.
8. Mrs. Brown's daughter is not only beautiful but also clever
9. That test is more difficult than this one.
10. It isn't necessary to water the trees now because it's going to rain.