Question

They go to work at seven thirty.对划线部分提问 At seven

They go to work at seven thirty.对划线部分提问 At seven At seven thirty. 对划线部分进行提问。

Answer 1

问具体时间用What time

即

What time do they go to work？

追答

他们几点上班？

Answer 2

When do they go to work？
他们什么时间去工作？