1.Wind energy is abundant and (limit) ..............,however,it is not alwayys available.
2.Sometimes the staff in that shop are very rude and (polite)..............
3.Air water and soil are necessary things to our (survive)...................
4.Mr.Hung is the teacher who teaches us (gymnast)......................
5.(Athletics)................from all over the world take part in the Olympic Games.
11. unlimited
12. impolite
13. survival
14. gymnastics
15. Athlete
1.unlimitted
2.impolite
3.survival
4.gymnastics
5.athletes