题目

题型：不详难度：来源：

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．t’s and i’s

答案

A

解析

ins and outs 意为“细节”，dos and don’ts 意为“注意事项”，heads or tails 为掷钱币打赌时用语，意为“你赌正面还是赌反面”，p’s and q’s主要用于 mind one’s p’s and q’s，意为“留意自己的言行”。结合句意，选A最合适。