1. The duty of the police is the maintenance of law and order ﴾maintain﴿

2. Our tomatoes are ripening nicely, they'll be ready to eat in about a week ﴾ripe﴿

3. Look at this picture of Bill and his father ‐ you can see the likeness clearly, can't you? ﴾like﴿

4. He said "good morning" in a most unfriendly way ﴾friend﴿

5. Playing for the national team for the first time was an unforgetable experience for Hong Son ﴾forget﴿

6. "this is not a good essay" said the lecturer 'i find your arguments unconvincing ﴾convince﴿

7. It's a lovely old house, I agree, but can we afford to modernize it? ﴾modern﴿

8. George and I have been friends since childhood he used to live next door ﴾child﴿

9. In winter it is important for farmers to provide food and warmth for their animals ﴾warm﴿

10. Pele encouraged Ronaldo to take part in 2002 World Cup ﴾courage﴿

11. Flexibility is one of the qualities repuired of a social worker ﴾flexible﴿

12. Novelists are among the most imagative people in the world ﴾imagine﴿

13. Secondary education is compulsory and free in many mountries ﴾compel﴿

14. The song has offically been selected for the Sea Game 22, Vietnam ﴾office﴿

15. Environmentists are doing their best to make people aware of the danger of air pollution ﴾environment﴿