We are all back in home after school.这句话为什么要把in home 改成 home

翻译:We are all back ( ) school. all,back,we,are,school,at we all study english h() my father is in sahnghai,he is coming back s() We are all back in home after school.这句话为什么要把in home 改成 home We are buys all in the evening. we are all in this together歌词? we are all in this together we ( ) in the classroom.A all B are C are all D all are 请问back.come back.be back在用法上有何区别?它们之间可以互换吗?例如：1.it's september,we are all back at school.2.when did you come back.3.what do you usually come back?4.he will be back in a month.请说明一下这些句子. We are still on h().Next week we will be back to school. we all like dumplings.they are t_food in china we are all in this together的歌曲连接 Are we all free in zhe evening.的中文是什么? we are all in this together 的歌词 we are interested in all kinds of sports we are all lost in the world什么意思 We are all in the classroom now同义句 As we all know,pandas are ________ in China.