问题
选择题
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
答案
答案：B
根据时间状语从句当我看到皮特时，可知主语为过去进行时，选B。
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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
答案：B
根据时间状语从句当我看到皮特时，可知主语为过去进行时，选B。