— Where did you find your lost key?— Well it was at the hotel we stayed.A. thatB. whereC.

问题补充：

— Where did you find your lost key?

— Well, it was at the hotel we stayed.

A. that

B. where

C. when

D. in what

答案：

A. that

(答案→)B. where

C. when

D. in what

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