I have studied here （ ）many years ago. A. since B. for C, before D. after选什么?我选的A,不知是对还是错,这题所在单元讲的是现在完成时

I have studied English or three years since I had come here.（改错） I have studied French since the day I came here.请问应该怎么翻译? I told Sally how to get there,but maybe I ()for here.a.must have studied b.might studyc.should have studied d.would study I have lived here (for) five years. 这里的for为什么可以省略?I have studied English (for) five years. I have studied English for three months. I studied here for four years and my daughter is studying here too为什么不用had studied She said,(i have not studied any English before icame here).怎么把括号里的改为宾语从句英语好难学啊 I have studied English s____ I was six years old. I have studied English for 7 years.同义句 By the time I graduate next year,I will have studied and lived here for 5 years.请问请问I graduate next year是什么成份?为什么不是By the time that I graduate next year. Have you ever studied _______a group?Yes ,I have.I have learned a ______ that way. I have some clothes here . I have this one here. 用for,since,before或者ago填空.1we have lived here（ ）ten years 2i never made cakes（ ） 3they have studied English （ ）three years（ ）4two weeks has passed （ ) she went to hangzhou I have studied English for 7 years.(同义转换)* * * 7 years since I studied English.(*为一个空格) should have studied I have studied here （ ）many years ago. A. since B. for C, before D. after选什么?我选的A,不知是对还是错,这题所在单元讲的是现在完成时 I know little English now,though I_________ it for four years in university.A.studied B.had studied C.have studied D.was studying