do you usually go to work?--I often ride a bike.A. WhatB. HowC. WhenD. Where

问题补充：

-- do you usually go to work?

--I often ride a bike.

A. What

B. How

C. When

D. Where

答案：

A. What

(答案→)B. How

C. When

D. Where

解析：句意:-你通常怎样去上班？-我经常骑自行车去。what 什么；how 怎样；when 什么时候；where 在哪里。根据这个对话中的回答可知，这里应该问的是怎样去上班。故选B。