He could speak English when he was five.(改为简单句）如题改为形式He could speak English____________five怎么改?
问题描述：
He could speak English when he was five.(改为简单句）
如题
改为形式He could speak English____________five
怎么改?
答
at the age of =years old
在某人什么年龄的时候.
答
at the age of .
在某人什么年龄的时候.
答
at the age of
答
at