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there are many different k_____ of animals in the zoo.We see the zoo keepers give
t_____ food to eat .thay do not h____ to find food for themselves.They just eat,walk
and sleep all day.So many of us think that the animals there are h____.But most of them are sad.Why?They are not free!
Animals l____ elephants,monkeys and tigers usually live freely and happily in forests or mountains.Tigers,for example,run,jump and play w____ their children and catch small animals for f_____.But now they have to stay i____ the small rooms in the zoo.Their life in the zoo is d___ from their life in the forests.Now all of us think more animals should go b___ to the forests.Do you think this is true?