It’s a fine Saturday. The Green’s are playing by the sea. 　   　 Mr. Green is eating some bread and Mrs. Green is drinking 　   　 water. Their son Jake is playing with sand. 　   　 Near them two boys are  playing with a paper ship. 　   　 Some children are swimming in the water. 　   　 Beside them,two men are having a rest on the sand. 　   　 Oh there are two girls playing model planes. 　   　 How happy they are.