who isn't your sisterandisn't your brother,but is still a ch

Who isn't your sister and isn't your brother,but is still a 猜谜:Who isn t your sister and isn t your brother,but is still Who isn't your sister and isn't your brother is still a chil 英语翻译21.Who isn't your sister and isn't your brother,but is s He isn't your father,but your mother's.Who is he? Is Bob your brother?A.no,it isn't.B.no,he isn't.C.no,she isn Isn't your brother five years old?-( )He is seven. that is your twin brother,----?反义疑问句是 isn't he 还是isn't it? lt isn’t my sister,nor my brother,but still is the child of It isn't my sister or my brother,but still is the child of m is that your book?( ) a.that isn't b. who is your brother?