1 Some birds fly to (北方的)countries in summer .
2 Birds can find food (容易地)in Zhalong .
3 Many (濒危的)birds live in Zhalong now .
4 It is one of the world’s (最重要的) wetlands .
5. Let’s go to the m__________. I want to buy some food.
6. Tom is going b_________ tomorrow. The birds are very nice.
7. Parrots have c __________ feathers.
8. Beijing is famous for r__________ ducks.
9. Crane has long l_________.
10. Swallows fly to n __________ countries in summer.