My father’s age is fifty years old.是对是错 是错 改

My father's age is fifty years old.
改为：My father is fifty years old.（我父亲50岁了.）
年龄的主语是人,不是age.because this book is veryintereing��so we all like it�Ƕ��Ǵ� �Ǵ� ����because��soȥ������Ϊ�������ʲ���ͬʱ����һ�������У�ֻ��������һ����