ex1:

10/c

11/c

12/d

13/b

14/a và c giống nhau nên mk ko biết

15/d

16/b

17/b

18/b

III

1/

a/Quang like camping

b/in the mountains

c/on the weekend

d/his friend

e/strong boots ànd warm clothers

f/take food , water and a camping stove

g/sometimes

2.

a/she ia a teacher

b/she is tall

c/aerobics

d/3 times a week

e/listen to music or watched TV

10. C

11. C

12. A

13. B

14. B

15. D

16. B

17. B

18. B

III.

1) 

a) Quang likes camping

b) He oftens goes camping in the mountain

c) He goes on the weekend

d) He usually goes with his friends

e) They always wear strong boots and wram clothers

f) They always take food, water and a camping stove

g)  Yes, they do

2)

a) Miss Lan is a teacher's history

b) She is tall

c) Her favorite sports is aerobics

d) She goes jogging in the morning

e) In her free time she listens to music or watches TV