1. It's a good idea to eat a lot of fruit and vegetables every day.

2. We couldn't keep on cleaning the streets because of the heavy rain.→ Because it was raining heavily.

3. The garden party won't take place if the weather doesn't improve.→ Unless the weather improves, the garden party won't take place.

4. Both students and teachers can borrow books from the library. The library lends books to both students and teachers.

5. Nobody plays this piece of music as beautifully as he does. He plays this piece of music more beautifully than anyone else.

6. How much do these shoes cost?

7. It takes me about five minutes to spend going to school by bike.

8. He spends two hours doing his homework.

9. It takes her an hour to do her housework.

10. Where will she send her letter?

11. They usually go to school on foot.

12. He usually goes to school by bike.

13. Mr. Hung sometimes flies to work.

14. They are never late for school.

15. Is this refrigerator better than the other one?

IV.

1. Young children are expected to show obedience to their parents.
2. When cycling on the roads, remember: safety first.
3. Children should avoid unhealthy foods such as hamburgers and chips.
4. Most road accidents happen because motorists drive carelessly.
5. It is unsafe and illegal to pass another vehicle on the left.
6. My flight was delayed for over two hours due to bad weather.
7. Everyone should obey traffic rules for their own safety.
8. The policeman signaled the car to stop with a flashlight.
9. Signs with red circles are mostly prohibitive – that means you can't do something.
10. This sign indicates that traffic lights are ahead.

V.

1. I saw so many beautiful flowers when I attended the festival last year.
2. The Christmas season is also called the festival season.
3. I loved the celebration for girls on March 3rd every year.
4. There is a great performance prepared for the Hue festival.
5. What I like about festivals is that they show the cultural values of different communities.
6. Hoi An is an old city with many interesting places.
7. The entertainment shows on TV recently have been entertaining.
8. All the streets in the city center are decorated with colorful lights and red banners.
9. There have been various entertainments shows on TV recently.
10. The New Year marks the beginning of spring and the start of the Lunar New Year.

VI.

1. We were dissatisfied with the service at the cinema. Everything was terrible. (satisfy)
2. There are always cowboys in a western film. (west)
3. The film is a big disappointment. It is boring from beginning to end. (disappoint)
4. She started her acting career while still at school. (act)
5. The film is about two hijackers who threaten to blow up the plane. (threat)
6. Horror films are too violent for me. (violent)
7. I don't think it is good for young kids to see frightening films. (fright)
8. We are going to the cinema to see an impressive film. (impress)
9. Although Titanic is a romantic film, it has a sad ending. (romance)
10. He falls in love with a pretty girl. It's a beautiful romantic film for my younger sister. (terrible)
11. His recent film received a lot of criticism from the public. (critic)
12. My favorite scientist-fiction films have been from Mars. (scientist)
13. I don't like horror films because they are too frightening. (fright)
14. Dracula is the best fright film for me. (fright)
15. The film I've seen the most impressive is Titanic. (impress)
16. I've been learning English for three years. (learn)