Question

【题目】Tony's mom looks young and beautiful.It's hard to imagine she's already in her ______.
A.fifties
B.fifty
C.fiftieths
D.fiftieth

Answer 1

【答案】A
【解析】句意：托尼的妈妈看起来年轻漂亮，很难想象她已经是五十多岁了。in one's fifties在五十多岁时，所以选A。