Question

【题目】In his ________ (eighty), I. M. Pei (贝堇铭) designed Suzhou museum for his hometown.

Answer 1

【答案】eighties

【解析】

句意：八十多岁的贝堇铭先生为家乡设计了苏州博物馆。

介词短语“in one's+基数词复数”，表示在某人几十岁时。所以用eighty的复数形式eighties，故答案为eighties。