Is he jack 与Are you jack有什么区别

Is he jack 与Are you jack有什么区别 is he jack 与Are you Helen Are you jack 下一句为什么是 yes he is is he jack? This letter is .jack jack' he 1.are you Mary?(否定回答) 2.Is he Jack?(做肯定回答) Hi ______?----This is jack A.Who are you B.Are you Jack C.Sp is he jack?No,he i____ 横线上写什么 He is w ____ Jack He is jack,my brothers. this is sam speaking.are you jack哪有错 jack is my english name和my english name is jack有区别吗?