=>
4/
1. We used to light our house with candles.
2. Sailors used to be guided by starts.
3. People used to cook on wood fires.
4. It used to take me several days to go to London.
5. Books used to be written by hand.
6. People used to travel on foot.
7. They used to make their own bread.
8. The old sailro used to drink lots of whisky.
9. Mr.Smith used to smoke cigars.
10. Bill used to work very hard.
11. I used to have a lot of money but I lost it all whwen my business failed.
12. I didn't use to be keen on classical music when I was younger.
13. I used to have interest in my work.
14. My brother used to have his hair cut short when he joined the army.
15. Dennis used to smoke.
16. My parents used to live in the USA when they were young.
17. Jim used to be my best friend, but we aren't friends any more.
18. When he was youger, my uncle used to be a national swimming champion.
19. I used to dislike eating ice-cream when I was a child.
20. I didn't used to be keen on classical music when I was younger.
21. Mary used to go swimming after school last year.
22. She used to wear uniform when she was a student.
23. I used to have coffee for breakfast.
24. When I was a child, we used to live in Bristol.
25. Lan used to walk pass the mosque on her way to primary school.

5/
1. B 
2. C
3. D
4. C
5. B
6. C
7. B
8. C
9. B
10. A

11. B
12. A
13. C

(*) Các câu thuộc dạng used to

(+) used to V : đã từng làm gì 

(-) didn't use to V

be used to Ving = get used to Ving : quen làm gì

Ảnh 2/
1/
1. work
2. working
3. living
4. get up
5. living
6. living
7. be/sitting
8. having
9. wear
10. wearing

2/
1. to dream
2. to speaking
3. to living
4. to stop
5. to work
6. to drinking
7. to being
8. to have
9. to be
10. to driving
11. eating
12. eat
13.  swim
14. like
15. speaking
16. studying
17. dance
18. sleeping
19. eating
20. eating

3/
1. eating
2. eat
3. swim
4. like
5. speaking
6. studying
7. dance
8. sleeping
9. eating
10. to eating