There is a zoo in our city. My parents often take me there on _ 1 _. I like animals. I have a lot of _ 2   
in my room. In the    3   , I can see tigers, elephants, monkeys, pandas, bears, snakes and many other 
   4   .Some animals are friendly but some are not. Tigers, bears, lions are    5 _. That is why they have to
stay in    6   . But I do not think it is good for animals to stay in cages. They should be free. The animals in
cages can't be    7   . I think the most interesting animals in the zoo are the dolphins. I like    8    them swim  and jump. They swim so fast and jump so high. They can play with a ball. They can stand up and walk 
   9 _ water! They are very    10    to people. If you fall into water and can't swim, they may come to help
you.

( )1. A. summer  
( )2. A. real    
(     )3. A. zoo      
( )4. A. tigers    
( )5. A. dangerous
( )6. A. houses    
( )7. A. nice    
( )8. A. looking   
( )9. A. in        
( )10. A. friendly