since then,I （ ）beijing A.have left B.left C.have leave D.leaving但for和since不是不能和短暂性动词连用么?

I have lived here since then还是I have been here since then对啊? 求翻译I have been going regularly ever since then. 改为一般疑问句The place has already changed since then.（ ）the place （　）since then( ) since then,I （ ）beijing A.have left B.left C.have leave D.leaving但for和since不是不能和短暂性动词连用么? But then /Before then / Since then/ Until 翻译：ever since then ever since then Since I am not put.Then I will not go to.Because I love you. since then he - - - - - -（再也没去过那儿了） 英语在线等··I have added three times more since then翻译··I have added three times more since then since then可以说成 since that time 帮我做个选择题：I came to changsha in 1999（ ）I have been engaged in this workA.when B.during which C.since then D.since when注明解法 从那以后是from then还是since then? Since then ...every time once it is raining I will think about you. Since you do not know who I am,then please do not bother Bob said to me I have written many books since then改为间接引语 I ()(buy) the book three years ago and ()(keep)it since then适当形式填空 since then 是啥意思?