We started our class (at eight o'clock) today.(就括号部分提问)

问题描述:

We started our class (at eight o'clock) today.(就括号部分提问)
句式:—— —— you start your class todayyour class today

【 When did 】you start your class todayyour class today
不明白的再问哟,请及时采纳,多谢!