句型转换。

1. I have lunch at school. (改为否定句)

    I ______ ______ ______ at school.

2. Lessons start at 8: 00. (对画线部分提问)

    ______ ______ ______ lessons start?

3. It is Thursday today. (对画线部分提问)

    ______ ______ is it today?

4. We have three lessons in the morning. (对划线部分提问)

    ______ ______ lessons ______ you have in the morning?

5. We finish our lessons at five. (改为同意句)

    ______ ______ at five.

根据“业务规范”规定，客户因欠费停机后，在全额补交话费和欠费违约金后，应尽快为其开机，最大时限为（）小时。

A.24

B.12

C.6

D.4