—— are your keys?——They’re on the bed.A. whatB. whereC. whenD. how

问题补充：

—— are your keys?——They’re on the bed.

A. what

B. where

C. when

D. how

答案：

A. what

(答案→)B. where

C. when

D. how

解析：句意：你的钥匙在哪里？A. what 什么；B. where 哪里；C. when 何时；D. how如何。根据They’re on the bed.可知此处是对地点提问，故选B。