Question

Though he began to learn English in ______,he is good at it now.

Though he began to learn English in ______,he is good at it now.
A.a fifty B.fifties C.his fifty D.his fifties
为什么答案选D?
而在The hero of the story is a soldier in his _____.
A.fourty B.forty C.forty's D.forties
中却选A.

Answer 1

1，his fifties 译为 他50多岁的时候
翻译：虽然他50多才开始学英语，但他现在学的很好了

2，fourty 译为 40
翻译：故事中的英雄是一名40岁的士兵

Answer 2

D in one's fifties 表示在某人五十多岁的时候