—Where did you see him for the first time?— It was in the factory we worked.A. thatB. whe

问题补充：

—Where did you see him for the first time?

— It was in the factory we worked.

A. that

B. where

C. which

D. when

答案：

A. that

(答案→)B. where

C. which

D. when

解析：这题考查定语从句，根据上下文，--你在哪第一次见到他的？--就在我们工作的工厂。说明这是定语从句不是强调句，因为定语从句中不缺主宾表，所以用where。选B。