They don not have to find food by t____.They just eat,walk and sleep a__ day.So many of ue may think that the animals there are h _____and lucky.But most of them are sad.Why?Because they are not f______!

问题描述:

They don not have to find food by t____.They just eat,walk and sleep a__ day.So many of ue may think that the animals there are h _____and lucky.But most of them are sad.Why?Because they are not f______!

themselves
all
happy
free