My sister left from school three years ago(改为同义局)

My sister left from school three years ago(改为同义局) My sister graduated from high school是什么意思 work on it had begun before my sister left... my sister will come from rome.my sister _____ from rome My sister is from Australia对Australia提问-------- -------- siater from 【改为同义句】】My sister left high school the year before last.My sister -- high school two - - The girl sitting on my left is my sister.中sit为什么要用进行时 i heard from my sister yesterday 同意句钻换要两句 I heard a letter from my sister yesterday 改错 Last Sunday r( ) a letter from my sister. my sister received an invitation from her friend同义句 英语 My sister is very d___ from me. I've just _____(hear) from my sister 英语翻译Reba suffers from a disease which has left her completely dependent on her sister. Work on it had begun before my sister left.分析句型Work on it had begun before my sister left.分析句型并翻译 I heard from my sister yesterday.(保持句意不变)I___ ___ ___ ___my sister yesterday. work on it had begun before my sister left(这是什么句型? Work on it had begun before my sister left.这句语法讲解下,有点迷糊.