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I often see a lot of people walking with dogs. It is still t_____ that a dog is faithful animal,but people have changed the reasons w_____ they keep a dog.They keep dogs in order to keep safe.But the most important r_____ is that they can have friends, b_____ the city can be a lonely place.For a child,a dog is his best friend when he has n_____
For old coupies ,a dog is a_____ their child when their real children have grown up.