Question

Здравствуйте. Помогите пожалуйста с заданием.
Заранее благодарен.

Answer 1

 2 you have to be quiet. 3 you have to walk the dog is 4 
you have to feed the fish 5 you must change the litter for hamsters 6 
you have to give water to hamsters

Answer 2

2) You must keep your turtle in a quiet place.
3) You must teach your dog to walk on a leash. / You must lead your dog on a leash.
4) You must feed your fish every day.
5) You must clean your pet's cage regularly. / You must put some fresh hay into your pet's cage regularly.
6) You must give fresh water to your guinea pigs every day (or regularly).