()— do you go to school? —At eight.

A.What
B.When
C.What lessons
点拨 根据答句“At eight.”可知，问句是在询问“你什么时候去学校”，应用特殊疑问词when来提问。故选B。

[反馈练习]从Ⅱ栏中选出与Ⅰ栏句子相对应的答句。
Ⅰ
Ⅱ
()1. What day is it today?
A. It's seven o'clock.
()2. When do you get up?
B. It's Wednesday.
()3. What time is it?
C. At six thirty.

()1. What do you have this term?
A. lessons B. subjects C. classes
()2. How many do you have this morning?
A. lessons B. subjects C. lesson
点拨 题1是询问对方这学期有什么学科，表示较长的时间用subject，故选B。
题2是询问对方今天上午有多少节课，表示具体的课，且how many后接可数名词复数形式，故选A。