I) 

1. festive

2. dangerously

3. interested

4. performance

5. electricity

6. cultural

7. pollution

8. Solar

9. religious

10. cooking - (từ số 2 nếu đúng theo đề bài là hotting, nhưng đúng ngữ nghĩa phải chia từ khác có nghĩa tương tự là heating)

II)

1. help

2. won (hoặc has won)

3. have

4. has been

5. use

6. have collected

7. will pass

8. Are you waiting

9. will be lying

10. took

III)

1. How far is it from Da Nang to Hoi An?

2. Despite looking old, the house is really quite modern.

3. Despite being so young, he performs excellently. (Cách 2: Despite his young age, he performs excellently)

4. In spite of being tall, Nam can't reach the book on the shelf.

5. In spite of the heavy rain, they went to school early.

6. Although the weather was bad, she went to school on time.

7. Although they were tired, they wanted to see a new film.

8. Ngoc used to be afraid of dogs when she was a little girl.

9. Mr Tam used to go to work by car some years ago, but now he cycles. 

10. My brother used to take me to school when we lived in the country

11. Everything will be prepared for our next school festival.

12. Less electricity will be used in the future

13. Hand fans will be used to keep cool in summer.

14. Why have many European film directors gone to Hollywood? 

1 festival

2 dangerous

3 interested

4 performance

5 electrical

6cultured