A small boy and his father were walking b    to their home. It suddenly began to rain h    .They did not have their umbrellas w   them and there was nowhere to hide from the rain, so they were soon all w   , and the small boy didn’t feel happy. For a long time while they were walking back to their home through the rain, the boy was thinking. Then at l   he turned to his father and said to him,“Why does it rain, Father? It isn’t very nice, is it?” “No, it i   very nice, but it’ s useful, Tom,” answered his father.“It rains to make fruit and vegetables g  for us.” Tom thought about this for a m     ,and then he a    ,“Then, w       does it rain on the road, Father?”