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

问题补充：

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

A. that ;where

B. where, when

C. where, that

D. where; where

答案：

A. that ;where

B. where, when

(答案→)C. where, that

D. where; where

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