3. I haven't done volunteer work for a month.

4. How long have you joined Be a Buddy?

5. He hasn't gone to Sapa before.

6. They lived here ten years ago.

1. celebrate

2. wish

3. gatherings

4. watch

5. lucky

6. footer

7. Eve

8. decorate

9. water

10. shouldn't

1. The painting he recently painted is very much like the old one.

2. The performance she gave last night was not like the other performances.

3. Each of my three sisters is very different from the others.

4. Music and arts are my favourite subjects at school.

5. The actress spent the whole week trying to remember her lines for the play. 

=> impoliteness

→ Sau tính từ sở hữu cần danh từ

1. C

2. D

3. B

4. C

5. B

1.  play => playing

2. study => studying

3. do => doing

4. went => go

5.weren't => didn't

D

B

B

C

1. B

2. C

3. B

4. B

5. B

6. C

7. D

8. C

9. C

10. B

1. beautifully

2. watched

3. is

4. reading