they all are friend 还是 they are all friend

they all are friend 还是 they are all friend My answer is that they are all my friend 是they are all happy 还是they all are happy They are all 17.还是They all are 17. ( ) they are my friend 是all of them are 还是 all of they are They are all right. they are all right where are they all They are all() Are they all right Are they all right?