I

1 D

2 B

3 C

4 A

5 B

II

1 relaxed

2 boring

3 popular

4 wonderful

5 organization

III

1 working

2 to visit

3 make 

4 helping

5 talking

6 doing

7 play

8 to watch

9 socializing

10 surfing

V

1 Vinh really enjoys hanging out with friends 

2 it is very interesting to play beach games

3 it's better to avoid spending too much time on computer games 

4 my parents wants me to learn something interesting

5 jenny dislike reading poetry

6 do you mind helping me put the chair away

7 it is very interesting to have a vacation abroad

8 i enjoy walking in the rain

9 i am to like jog in the park

10 i like listening to music