问题
选择题
His father looks young, but in fact he is ______.
A．in the forties
B．in his forties
C．in the forty
D．in his forty
答案
答案：B
本题的含义是他的父亲看起来年轻，但事实上他有40多岁了，在英文中in one’s +整十的数词复数可用来表示年龄，40的复数为forties，故本题选B。
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