he is ______boy A.an eight years old B .an eight-year-old两个好像都行啊,奥不懂啊
问题描述：
he is ______boy A.an eight years old B .an eight-year-old
两个好像都行啊,奥不懂啊
答
he is ______boy A.an eight years old B .an eight-year-old
两个好像都行啊,奥不懂啊