完形填空。 There're different kinds of animals in the zoo. We see the zoo keepers give them food to eat. The animals don't have to 1 food by themselves. They just eat, walk and 2 all day. So many of 3 may think that the animals there 4 happy and lucky. But most of them are sad. Why? They're 5 free. Animals like elephants, monkeys and tigers usually live freely and happily in 6 or mountains. Tigers, 7 example, run, jump, play with their children 8 catch small animals for food. But now they have to stay in 9 rooms in the zoo. Their life in the zoo is 10 different from their life in the forests. Now many of us think more animals should go back to forests and mountains so that the earth will become better. (     )1. A. take (     )2. A. sleep (     )3. A. me (     )4. A. is (     )5. A. no longer (     )6. A. fields (     )7. A. for (     )8. A. but (     )9. A. good (     )10. A. too B. bring B. run B. we B. are B. not any longer B. zoos B. in B. and B. short B. quite C. find C. rest C. they C. were C. not more C. parks C. on C. or C. small C. even D. get D. leave D. us D. was D. no any more D. forests D. at D. yet D. tall D. really