读一读，按要求完成句子。

1. These are my books. (对划线部分提问)

    ___________ books ___________ these?

2. Lynn's hair is red. (对划线部分提问)

    ___________ ___________ is Lynn's hair?

3. I go to school by bus. (对划线部分提问)

    ___________ ___________ you go to school?

4. My family likes to go for a walk. (对划线部分提问)

    ___________ does your family ___________ to do?

外单位人员担任工作负责人在变电站（线路）进行工作办理第一种、第二种工作票时，工作票实行双签发；有人值班变电站工作票的会签手续可以电话办理。