Could it be in the room we had a talk last night you left your keys ?A. that; whereB. in

问题补充：

Could it be in the room we had a talk last night you left your keys ?

A. that; where

B. in which; where

C. where ; that

D. where ; where

答案：

A. that; where

B. in which; where

(答案→)C. where ; that

D. where ; where

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