儿子每晚要和妈妈睡。

妈說：你长大了娶了媳妇也和妈睡呀？

儿答：嗯！

妈說：那你媳妇怎么辦？

儿說：让她跟爸睡。

爸听后激动的说：这孩子从小就懂事！

One day， Tim's mathematics teacher looked at his homework and saw that he had got all his sums right. The teacher was very pleased-and rather surprised. He called Tim to his desk and said to him， "You got all your homework right this time， Tim. What happened? Did your father help you?"