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）

   ________________________________________________________________.