Many people begin to have health problems___.A:in their forties B:their fortieth birthday C:forty years old D:over forty如果选A的话为什么D不对呢？
问题描述：
Many people begin to have health problems___.
A:in their forties B:their fortieth birthday C:forty years old D:over forty
如果选A的话为什么D不对呢？
答
A 在他们四十多岁时
答
A
答
D
答
a,在他们四十多岁的时候
答
A:in their forties
很多人在四十多岁的时候开始出现健康问题.
答
A in +年龄 在某个年龄时