-The man in his__is my father.-Wow,he looks really young.A.fortyB.fortiethC.fortiesD.forty's并说明理由
问题描述：
-The man in his__is my father.-Wow,he looks really young.
A.forty
B.fortieth
C.forties
D.forty's
并说明理由
答
A，指他四十岁，BC排除，D后面的is不需要，排除
答
C in one's forties 在某人四十多岁时
答
C
in one's forties forty要用复数,表示在他四十几岁的时候