The boy in a red coat is my brother.(改为同义句)
The boy is my brother ,he is wearing a rea coat.
be in + 颜色 表示穿什么颜色的衣服
be wear 表状态
The boy in a red coat is my brother.(改为同义句)
The boy is my brother ,he is wearing a rea coat.
be in + 颜色 表示穿什么颜色的衣服
be wear 表状态