根据短文内容,用方框内所给单词的适当形式填入短文空格内,使短文意思正确、通顺，每词限用一次,一空一词。
exercise，big， get，child，size，eat，clear ，arrive，what， make
Dogs are very good pets. They are very friendly to people and very beautiful, too. Most dogs get on well with  and their parents. Others are good watch dogs because they cry loudly when a strange person .
When you buy a dog, an important thing to think about is its  —buy a small dog if your home is small and a  one if your is larger. Many people don’t know to feed their dogs. Dogs eat almost anything! They like   meat, rice and lots of other things. You can buy lots of food which is for dogs in shops. Don’t let your dog eat too much. Always leave some   water for your dog. It can  thirsty very quickly, especially in summer.
Remember that dogs need  .You should take it for a walk every day. Don’t keep your dog inside all day.