1. C

2. A

3. B

4. B

5. D

6. B

7. Đề sai

8. D

9. D

10. A

11. D

12. C

13. A

14. C

15. C

1 C

2 A

3 B

4 B

5 D

6 B

7 sai đề

8 D

9 D

10 A

11 D

12 C

13 A

14 C

15 C

a) off

b) at

c) in

d) out of 

e) under

f) by

g) without

h) on

i) to

j) for

1 off

2 at

3 in

4 out of

5 under

6 by

7 without

8 on

9 to

10 for

use a handkerchief when you sneeze

handkerchief: khăn tay

Minh finds volunteer activities interesting because he can help many people

Minh finds volunteering interesting because it can help many people

We didn't join community activities last summer because we were busy

 We learnt teamwork skills last week when we prepared a project

or We learnt teamworks skills last week when preparing a project

(Câu cuối bạn chọn cách nào cũng được nhe)

1 We didn't do community activities last summer because we were busy

2 We learned teamwork skills last week to prepare project

1 obey: tuân thủ = follow

2 ride: đạp xe = cycle

3 should = had better: nên

4 by bus = on a bus: bằng xe buýt

5 not allow = mustn't

1 obey: tuân thủ = follow

2 ride: đạp xe = cycle

3 should = had better: nên

4 by bus = on a bus: bằng xe buýt

5 not allow = mustn't

My friends invite their parents to volunteer at school.

My friends invited their parents to do volunteer work at school 

1 happened

2 was

3 woke up

4 saw

5 was

6 was

7 paid

8 came

9 said

10 walked

11 led

12 set

13 was

14 was

15 opened

16 was

17 saw

18 was

1. B

2. E

3. A

4. D

5. H

6. A

7. F

8. G

1 B

2 E

3 A

4 D

5 H

6 A

7 F

8 G