Question

【题目】The boy told his classmates about his experiences during the summer holidays_____.

A. at last B. at length

C. in details D. in fun

Answer 1

【答案】B

【解析】考查介词词组。那个男孩详细地告诉了他的同学他在暑假期间的经历。at last最后；at length详尽地，最后；in detail(而非details)详尽地；in fun开玩笑地。故选B。