6、n.Todayzooskeepanimalsindifferentkindsofcages.Thecagesareverybigandopen.Theyusuallyhaveplantsandalittlelake. ()5..Zooskeptanimalsinsmallcagessothatpeoplecan_________ A.protectthemB.seethembetterC.feedthemD.savethem ()6..Today,zooskeepanimals_________ A