Why is Jack

Why is Jack is Jack his why teeth brushing 连成句子 is jack this why teeth brushing Jack is twenty years old.but he has only five birthdays.why? I don't know why Jack is worried;___,it isn't his his problem. I don't know why Jack is worried;___,it isn't his his problem. Why is the union flag called Union Jack?英国国旗为什么叫Union Jack英语回答要求字数在100词以内 jack is better at english than any -----------her classmates.a.other of b.of并说明why 感激啊 Jack's bike doesn't work.that's____he is late for school.为什么选why要详细一点 Jack is twenty years old.But he has only fivebirhdays.Why?Because he was born（出生）__ Jack is our monitor What is Jack? Jack is t_____in music is he jack? Is he Jack? In Jack GreenJack is a______name. This letter is .jack jack' he Why is