V

1. trip  2. relieve (giải tỏa)  3. lack ( lack of: thiếu )   4. peace  5. fields  6. roaming (lang thang) 

7. travel   8. popular

VI

1. pen pals are people who regularly write to each other, particularly via postal mails

2. Benefits of having pen pals: practice reading and writing in foreign language, improve literacy, learn more about other country and make frienship

3. some people remain for a short time while others continue exchange letters and presents life-long.

4. pen pals club can be found in magazine column, newspaper and sometimes through clubs and special interest groups

5. some clubs may be free while others may charge a partial subscription fee