―Where did you get to know her?―It was on the farmwe both once worked in the 1970s.A. that

问题补充：

―Where did you get to know her?

―It was on the farmwe 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

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