My brother is _3_.(对划线部分提问) 划线部分为3

My brother is _3_.(对划线部分提问) 划线部分为3 my brother is [twelve]划线部分提问 my brother is tall and thin.对划线部分提问 My brother is six years old.对划线部分提问 My brother is 12.（对划线部分提问） My brother is a student对划线部分进行提问 对划线部分提问My brother is tall and fat. The boy on the left is my brother.对划线部分提问（划线部分为on the left） my little brother is only three 对划线部分提问 only three 划线 my brother is an actor?对划线部分提问 划线的是an actor That boy is my brother.就划线部分提问 划线部分 my brother The girl is my sister.对划线部分进行提问my sister为划线部分