一． 用下列介词填空 from in of on to
　　1. This is a map_________ the world.
　　2. My cousin lives________ Australia.
　　3. Kangaroos jump _______ their back legs.
　　4. You can see many animals ______ the Zoos.
　　5. We‘ll send you a postcard_______ Beijing.
　　6. This boy is swimming ________ the sea.
　　7. Beijing is the capital__________ China.
　　8. This planet is far ______ the sun.
　　9. Shanghai is __________ the south of Beijing.
　　10.The birds live __________ the tree.