They usually walk to work at 7:20 every Wednesday.
They usually go to work on foot at 7:20 every Wednesday.
They often go to work on foot at 7:20am. on Wednesdays.
就划线部分提问:How and When do they often go to work?
They usually go to work on foot at 7:20 on wednesday.
提问:when and how do they usually go to work?
Usually, they go to work wednesdays at sever twenty in the morning on foot.