my parents left( ) beijing last week so i was at home by myself括号中填介词写原因

My parents went hiking yesterday.They _ at home _.A.left me...by myself B.left me...by themselves My parents have promised to come to see me before I -----for Africa.A.have left B.leave C .left D.will leave My parents have promised to come to see me before I _________ for Africa.A.have left B.leave C.left D.will leave 英语：my parents have promised to come to see me before i（）for AfricaA have left B leave C left D wll leave选哪个 为什么 my mum's parents are on the left (提问) 用We parents...You parents...They parents...A&B parents...My parents are… 造句 7．_____ of my parents is poor-educated,they both left school when they were 13.A.Both B.All C.Either D.Neither选什么 ,为什么 Only when I left my parents for Italy how much I loved them.CA.I realized B.I had realized C.had I realized D.did I realize my parents never stop talking about my study.A So do my parents B Nor do my parents My parents never stop talking ahout my study.A So do my parents B Nor do my parents only when i left my parents for ltaly [ ]how much loved them My sister lives in Beijing,and____.A.my parents do so.B.so do my parents C.my parents are soD.so are my parents My ( ) is my grandparents.A选择:parent's parents B选择:parents' parent My parents went to birthday party yesterday,__ me alone at home.A.leave B.to leave C.leaving D.left请高手给个确切的答案,再讲下其中的语法知识, 【选择题】Only when i left my parents for Italy ___ how much i loved them.A.i realized B.i had realizedC.had i realizedD.did i realize为什么呀,看不清.【】【】【】【】【】为什么不用C，完成时呢？注意：为什么不能 Olny when i left my parents for Italy _how much i loved thema.i realizad b.i had realized c.had i realized d.did i realized 帮忙翻译下句子 和选项 【选择题】Only when i left my parents for Italy ___ how much i loved them.A.i realized B.i had realizedC.had i realizedD.did i realize为什么不用C,完成时呢? [-B54] Only when I left my parents for Italy ___ how much i loved them.A.I realized B.I had realizedC.had I realizedD.did I realize翻译并分析