They won’t go to the zoo because the price is too ________.

---Now the air in our hometown is even       than it was before. ---So we must do something to stop it.

 There are many _____ people in the world, they can’t see anything, but they never give up their dreams. 

 ---What do you think of the film Avatar? -----I think it’s ______ , but someone thinks it’s much too ______.

---We will have a school trip next week.---That sounds _______.I’m sure we will have a good time.