since i.school,I haven't had much spare time.A.begun.B.began C.have begun.D.begin请帮我选正确答案以及原因

英语改错:I was a high school student then,from income family.So I hav Since I graduated from school,I _____________ for ten years. I want u to hav my 一头雾水 Three years ___(pass)since I left school.急! I _____ this school since three years ago. 1.--Please pass me a pen___.--Here you are.A.to write an articleB.to write an article with2.have fun后加动词用doing sth还是to do sth3.-You are leaving your school .How do you like it?-Very much,of course,I__this school since I moved here.A.hav I ___ (study) English since I went to the pI ___ (study) English since I went to the primary school. Confucius said, “Since the age of 15, 翻译Confucius said, “Since the age of 15, I have devoted myself to learning; since 30, I have been well established; since 40, I have understood many things and have no longer been confused; since 50, I hav Things have changed since I started junior high school,I'm much lazier than I was in pimary school 连词成句 ：school,cinema,I,ever,have,been,to,I,was,since,the,never,at school cinema I ever have been to I was since the never at I have had thousands of classes since I started school nine years ago. I ___(teach)Chinese in this school since I ____(come)to Nanjing. 改错：Ever since I graduated from middle school,I dreamed of travelling along Mekong River. I---(never return)to my school since I---(leave)there in 1991 外国人说I want u to hav my I began to teach at this school in 1995.= I __ __ at this school since __ . It is five years since I came to this school.改为同义句I ---- ----- -----this school-----five years