I was back home和I was at home有什么区别?

I was back home和I was at home有什么区别? I am back home 中”back和home的词性 翻译：I was just thinking of my friends back home. 翻译I was just thinking of my friends back home. 这里back home作什么成分 I'm going to back home和I'm going back home哪个对?为什么 I'm going to back home和I'm going back home哪个对?为什么 高中短文改错,共有十处错误.麻烦英语学得好的人帮忙做一下啊.Last Saturday,I put my wallet in the bag which was at back of my bike.I rode for about half an hour.As I neared my home I found that I kept the bag opening all the wa I WILL BE BACK HOME BACK HOME WITH MY LOVE I was sick.I was ______ home. It was a r day.I was on my way home.I had not been back for weeks. When my mother came back home last night,I was still _________.A.wake B.woke C.waking D.awake我知道选D,能解释下为什么不能选C么?i was waking和i was awake区别 I was came back 和 I came back!后者才是对的是吗? I did very well in the subject back at home.=I was e---- in the subject back at home.一个英语报纸的题,摆脱帮帮忙, my mother came back home,I was still____A wake B wake up C awake When I came back home,my father was watching TV yesterday 为什么watch要加ing? when father came back home,i was thinking _____ a math problem. i can( )the last train back home I am back home 的语法分析