We often have lunch [from 12:00 to 12:30].对"[]"部分进行提问.
问题描述：
We often have lunch [from 12:00 to 12:30].对"[]"部分进行提问.
答
When do you often have lunch?
答
When do you often have lunch ?
问时间,用When
句意: 你经常什么时候吃午餐?
答
When do you often have lunch