place can him sit help |
Mike is a blind man, so he can not get around by in the city like most people. But he has a friend, Robert. Robert is a guide dog. Since Mike can not see, he not go anywhere without Robert. Mike lets Robert show him the way. Robert leads Mike to different by pulling the rope（绳索）in Mike's hand. Once they arrive at a place, Robert lets Mike know by barking at him. Most of the time Robert just next to Mike and waits for him to finish his business.
