B. Comparative

1. longer

2. more expensive

3. more dangerous

4. sweeter

5. hotter

6. better

7. worse

8. more intteligent

9. larger

10. quiter

C. Superlative

1. the most clever

2. the best

3. Ko bt

4. the most interesting

5. the most dangerous

6. the richest

7. the largest

8. the most difficult

9. the worse

10. the most popular

EX 5:

1. b

2. b

Where were you on holiday? 

Tham khảo

My favorite sport is swimming. I always go swimming when I have spare time. I started swimming lessons when I was 10 years old. My house doesn’t have a swimming pool, so my dad often takes me to the local swimming pool. There are many different forms of swimming such as: crawling, butterfly, breaststroke, etc. I like swimming on my stomach which you must use hand thrust. To swim safely, you need to have specialized swimming equipment such as swimming goggles, swimwear, swimming buoys, swimming hats, earplugs, sunscreen, shampoo. The hardest part of learning to swim is learning to float. In addition, we also need to practice regulating breathing, foot and hand rhythm. Swimming helps us to exercise. Swimming is suitable for almost all ages. So as long as you like it, you can learn to swim.

4. come- will be

5. earns- will fly

6. travel- will visit 

1. B
2. A

3. B

4. C

5. A

6. A

looix 

1. is studying

2. is not playing

3. are making

4. is having

5. is eating

6. is not flying

7. am working

8. are not cooking

9. Is Tom driving

10. are not preparing

11. are you having

12. Are they giving

13. is making

14, are you doing

15. are they staying

A

C