按要求改写句子。 1. A: ___________________________________________________________? B: Yes, Dave is visiting his uncle.(完成疑问句) 2. does, take, how long, get, to, from, to, home, it, school, you(连词成句) ______________________________________________________________? 3. My uncle lives about twenty kilometres away from here. (改为一般疑问句) _______________________________________________________________? 4. We often take the bus to go to work. (改为同义句) _______________________________________________________________. 5. How often do you read English? (用twice a day作答) ________________________________________________________________.