---Where did you get to know her?-It was on the farm we both once worked in the 1970s.A

问题补充：

---Where did you get to know her?

---It was on the farm we both once worked in the 1970s.

A. that

B. which

C. when

D. where

答案：

A. that

B. which

C. when

(答案→)D. where

解析：考查定语从句。先行词on the farm为从句的逻辑地点状语，故引导词用where，故选D。