(I have a brother,Bob,who is 14.)请问年龄前为何要加who?

I have one brother I have a brother.怎么改成否定句和疑问句 连词成句：have,no ,I ,a ,but ,sister ,brother (.) I have a sister and tow brother.___are all students. I have a brother改为一般疑问句,怎么改?xiexie My brother and I have a box_________many school things________it. have,no I,a,but ,sister,brother(.)拼成一句话 I have a brother and he is y__ old i have a brother.he is bob.的同义句 根据答句写问句:A:______________________ B:I have two brother. She (have) a brother have you a brother I have a brother.He is eight years old.同义句转化!I have a brother.He is eight years old.I have___ ___ brother. I have just received a letter from my brother.（同义句）=I have just ____ ____ my brother. I have no brother是什么意思? i wish i ______(have) a brother or sister.用have的适当形式填空 句意是什么I,Have,a,sister,I,have,no,Brother I have a brother.He is eight years old.同义句转换I have _______ ________brother