The old man spoke ________ length about his experiences in Afric

分类: 英语(一)(00012) 发布时间: 2024-08-12 17:48 浏览量: 0
The old man spoke ________ length about his experiences in Africa.
A、at
B、in
C、from
D、to
【正确答案】:A
【题目解析】:本题考查介词的辨析。at length是固定短语,表示:详细地。