1. Matches are used for (light) lighting fires.

2. He went to the park to relax

3. This knife is used for (cut) cutting grapefruit.

II. Nails, which was one of humankind's greatest inventions, are used (build) to build things.

18. We use the Internet __to search__(search) for information. 19. The vacumn is for _cleaning____(clean) the floors.

20. The clock is for __telling__(tell) time.

17. In the past, sea voyagers used a compass (navigate) ___to navigate___the oceans

15. They went to Paris.__to learn_____ (learn) French.

12. She came to the library__to study___ (study) hard.

13. We rewarded the children for __reading___(read).

16. The pen is for _writing____(write).

14. He promised __to help__(help) me.

10. They apologised for __being__(be) late. 8. He thanked everyone for __coming__(come). 9. She went home _to study__(study). 4. We stopped at the shop (get) to get?

5. The speakers are playing music for some magazines.

6. I made a cake __to practise__(practise) baking. 7.I want ___to go_(go) out tonight.

1, Long doesn't usually go to the cinema on Sunday.

Does Long usually go to the cinema on Sunday ?

2, Duong doesn't always have eggs and bread for breakfast.

Does Duong always have eggs and bread for breakfast ?

3, Cuong doesn't like walking in the park.

Does Cuong like walking in the park ?

4, They aren't watching TV in the living room.

Are they watching TV in the living room ?

5, She didn't go to school yesterday.

Did she go to school yesterday ?

6, The dentist didn't fill a cavity in her tooth last week.

Did the dentist fill a cavity in her tooth last week?

7, Loan isn't a good student in class 6A1.

Is Loan a good student in class 6A1?

8, They aren't always at home in the evening.

Are they always at home in the evening ?

1. Lan went to Hue to see the monuments there.

2. Minh created a website to give more information about local historical sites to visitors.

3. Peter took a boat trip around the floating market to listen to don ca tai tu there.

4. My sister has opened a small shop behind the museum to sell postcards and souvenirs to tourists.

1:  Mai went to Soc Son to attend the Giong Festival.

2: The first place to visit on the trip is Hue Imperial Citadel.

3: Our music teacher gave lessons in xoan singing to help us appreciate our cultural heritage.

4: The old bridge across the river is the most famous site to see.

1. I want to be fitter and healthier, so I eat more fruit and vegetables.

2. You don't wear a sun hat, so you have a sunburn.

3. Be careful with what you eat and drink or you may have an allergy.

4. Tom has a temperature and a sore throat.

5. You don't wash your hands very often, so you are catching flu.

6. My family went to the park yesterday, and we had a wonderful time.

7.Larry's family went to the zoo, but they didn't enjoy it.

8. His children were scared of the lions, so they left right away.

9.I like ice cream, but he prefers butter.

10. I have studied Spanish for many years, so my Spanish-speaking friends can chat easily with me now.

11. You are quite intelligent, but you don't think before you act.

12. Susie could study music next year, or she could study drama instead.

II. Rewrite the following sentences, using the provided word keep meaningas that of the root one

1. They often went to school by bike when they were young

They used..........to go to school by bike when they were young................

2. She has taught her children to play piano for 4 years

She started..................to teach her children to play piano 4 years ago.......................

3. It's a pity I can't cook as well as my mom

I wish .................i could cook as well as my mom.......................

4. Shall we use Perfume Pagoda as a theme of the presentation?

She suggests.............using Perfume Pagoda as a theme of the presentation...........................

1.They often went to school by bike when thay were young

=>They used to go school by bike.

2.She has taught her children to play piano for 4 years

=>She started to teach her chidren to play piano 4 years ago

3.It's a pity I can't cook as well as my mom

=>I wish I could cook as well as my mom

4. Shall we use Perfume Pagoda as a theme of the presentation?

⇒ She suggests using Perfume Pagoda as a theme of the presentation

Rewrite these sentences, using preposition + WHO/ WHOM:

1. The movie which we went to was interesting .

2. I couldn't understand the woman which I talked to on the phone.

3. I want to tell you about the party which I went to last night.

4. The music which we listened to last night was gentle.

5. Alice likes the foreign family which she is living with .

1. To meet

2. To save

3. To be

4. To ask

5. To finish

6. To earn

7. To have

8. To celebrate