How old are your brothers 为什么填your?

How old are your twin brother? How old are your teacher什么意思 How old are your parents?如何回答 how old are you可以改成how are your How old are your brothers 为什么填your? How old are/is your father?is 还是 are? your teacher?A,How are B,How old C,How old are D,How is 选哪一个? How old are your brother这个句子那错了 What is your name?How old are you? How old are your brother那错了 用old,are,how,your,parents连词成句 连词成句：old,are,how,your,parents. How old are your dog?How old is Ann?改为同义句 how old are you “How old are you? how old are you how old are How old are you?