It was raining hard.A boy was on his way home from school,luckily,he had an unbrella,suddenly,the boy saw an old man was walking slowly in the rain,he didn't take an unbrella.the boy caught up with the old man and said" Grandpa,let's use the unbrella together,I will send you home!" the old man was very thankful.After a while,they got to the old man's house,they said goodbye to each other,the boy went home happily.What a good boy he was!