---Where were you at 10 o’clock yesterday morning?
--- I was in .
A. the barber
B. the barbers
C. the barber’s
D. barbers
网友回答
A. the barber
B. the barbers
(答案→)C. the barber’s
D. barbers
解析：本题考查短语固定用法。in the sb’s，表示在某人那里，故选C。句意：——昨天早上10点钟你在哪里？——我在理发店。