阅读理解。 Joe and Helen Mills had two little children. One was six and the other four. They always resisted going to bed, and Helen was always complaining (抱怨) about this and asking Joe for help.  But as he did not come home until after they had gone to bed during the week, he was unable to help except at weekends. Joe considered himself a good singer, but really his voice was not at all musical. However, he decided that, if he sang to the children when they went to bed, it would help them to relax, and they would soon go to sleep, He did this every Saturday and Sunday night until he heard his small son whispered to his younger sister, 'If you pretend that you're asleep, he stops. ' 1. The children always resisted going to bed, which . A. made Joe suffer a lot B. satisfied their mother C. Helen was not satisfied with D. gave Helen much happiness 2.  The husband couldn't help the wife to look after the children . A. because he returned from work too late every day B. since his voice sounded like a singer's C. except on Saturday and Sunday D. for he did not come home until after the children had gone to bed at weekends 3. Joe worked . A. all the week including Saturday and Sunday B. during the week including the weekends C. every day but Saturday and Sunday D. every week except on Sunday 4. Which of the following conclusions can we draw from the above story? A. Joe's song did help the children to relax. B. With Joe's help, the children went to sleep. C. The wife must be thankful to her husband for the great help. D. The children were so tired of their father's voice that they pretended to be asleep. 5. This joke tells about . A. Joe and Helen B. Helen's trouble C. Joe's foolery D. the bright idea of the two small children