Here’s a story about Ming’s life on the waters. Ming has lived all his life on a wide r  1   in china. His home is a large house-boat with a roof, one of hundreds that move up and down. In about six years he has not once been on l   2     but he is never lonely. He is a strong swimmer. In fact, he could swim before he could walk. When he wants to play with his f   3    he just swims across to their boats or asks them to v  4    him.