给下列的问句选择合适的答语。 (     ) 1. What do they eat? (     ) 2. Where does a bird live? (     ) 3. Where is the lion? (     ) 4. Does an elephant have a trunk? (     ) 5. What has fur? (     ) 6. What is it? (     ) 7. What animal can swim? A. The cat has fur. B. The lion is at the zoo. C. They eat meat. D. A bird lives in a tree. E. Yes, it does. F. A fish can swim. G. It's a cow.