The police turn the whole house looking for clues.
A. upside down
B. out front
C. side by side
D. down to earth
网友回答
(答案→)A. upside down
B. out front
C. side by side
D. down to earth
解析：词组辨析题。 A. upside down 颠倒 B. out front 前面C. side by side 肩并肩 D. down to earth 到地球 句意：警察把屋子搜了个底朝天为的是找线索。根据语境选A