When you have a pet dog, it is necessary

问题：

When you have a pet dog, it is necessary to care for it carefully. The most i______ 小题1:part of dog-care is cleanliness. Not only does the dog have to be kept clean, _______小题2: his environment should be clean. The bed   it sleeps _______小题3:can be made with a carpet. Proper feeding is also important to your dog’s h_______(健康) 小题4:. A dog should be fed in the same place and on a ________(有规律的) 小题5:schedule. Food should never be left before a dog for o_______ 小题6:thirty minutes. Remember to keep fresh water available during hot weather. A______ 小题7:important thing many dog owners forget is exercise for their dogs. ______(积极的) 小题8:exercise helps build    strength and keeps the dog healthy. W______ 小题9:the dog at a fixed time the of day is enough to help the dog live a healthier and h_______ 小题10:life.