since when did/do you become so diligent是did 还是do?为啥

since when did/do you become so diligent是did 还是do?为啥 when do yo do morning exercises 中文怎么讲 When Did We Do That when did you do和what did you do 区别 --Since when ________ each other --Oh I can't remember.A.did you know B.do you know C.you know D.have you known when did you do yesterday?如事 since when 从B栏中选出合适的A栏答语A栏：1.What will your dad do next week? 2.What are you doing?3.What does he do?4.Did you have a good time?5.When did you come home?6.What colour is it?7.What are you going to do tomorrow?8.Could yo leave your nam 翻译一句话：Since when do you make mistakes? 请翻译小学英语When did you com back?Hello, John. How are you?I’m fine, thank you. You’re back from China!Yes, we’re home.When did you come back?We came back last Sunday.This is our Chinese friend, Lingling.Hello, Lingling.Hi, John. Do yo do yo have some Do you do what you did when you did with me 期待高手释疑, -When did you become a teacher?-In 1999.I___in this school since then. since when did you two become such good friends?中文意思 When did you study in france?A,Two years ago B,Since two years ago what will you do when something bad happens to yo?How do you make your life exciting? Do yo talk to him when you have problem? Do you __ ___ ____ ___when you have problem? when you did do homework your连词成句