I along the road when I saw Peter. So we stopped and had a chat.
A. walked
B. was walking
C. would walk
D. had walked
网友回答
A. walked
(答案→)B. was walking
C. would walk
D. had walked
解析:考查时态。本题的时间状语是when I saw Peter,是一个过去的时间点,故指在过去的时间点上发生的事情,使用过去进行时。故B正确。