Question

. In order to learn the _______ of the family business, Bill took a job as messenger boy in one of the offices.

A．ins and outs

B．dos and don’ts

C．heads and tails

D．p’s and q’s

Answer 1

A

ins and outs 意為“細節(jié)”，dos and don’ts 意為“注意事項”，heads or tails 為擲錢幣打賭時用語，意為“你賭正面還是賭反面”，p’s and q’s主要用于 mind one’s p’s and q’s，意為“留意自己的言行”。結合句意，選A最合適。