Question

【题目】 After working for ten years, my cousin became the CEO of a company ____________.

A. in his forty B. in his forties

C. at his forties D. at his forty

Answer 1

【答案】B

【解析】

试题分析：句意：工作了十年之后，我的表弟在四十多岁时成了公司的首席执行官。in one’s forties在四十多岁时，是一个固定短语，所以选B。