V.
21. Have you ever met a famous football player?
22. Journalist Lai Van Sam is one of the best Vietnamese television MCs.
23. Winning three gold medals is a great achievement.
24. Recycling also helps control environmentally pollution by reducing waste.
25. Give old clothes to charity instead of throwing them away.
VI.
(26). D - less
(27). C - water
(28). A - when
(29). C - Recycling
(30). D - into
