鲍勃晚上失眠。他的医生给他开了一些强力安眠药。星期天晚上鲍勃吃了药,睡得很好,在闹钟响之前就醒了过来。他到了办公室,溜达进去,对老板说:“我今天早上起床一点麻烦都没有。”“好啊!”老板吼道,“那你星期一和星期二到哪儿去了?” Bob sleeps at night. His doctor gave him some powerful sleeping pills. Bob took medicine on Sunday night and slept well. He woke up before the alarm sounded. When he got to the office and walked in, he said to the boss: “I didn’t have any trouble getting up this morning.” “Yeah!” cried the boss. “Where did you go on Monday and Tuesday?”