8年级生物下册

英语语法中being done ,having been done,having done都在什么情况下出现和使用? I'm sorry to have brought you a lo of trouble改写同义句.I'm sorry ______ ______you. (sorry to have given you trouble)能写成（sorry to give you trouble)吗? have的作用是?在线等~!谢谢咕~~(╯﹏╰)b I’m terribly sorry to have caused you so much trouble can't help doing sth和can't stand doing sth有什么区别 Don’t bother me!I’m very irritated. I’m very busy.Don’t b——me,OK? 填空 Jim and I ( )friends.(be) both jim and i want to be ().填a policeman还是policemen 这几句用英文怎么说,我要给海外打电话,1 你收到我的邮件了吗?2 关于费用谁来付呢 中国还是泰国?3 可以写邮件联络吗? Jim and I _________ （be） in the classroom. both jim and i want to be ().填a policeman还是policemen为什么啊? Lucy and Lily are new students at a midde school.(改为否定句) Lucy and Lily are()students A:two new B:new two c:two the 这个怎么选啊?原因是什么?有什么规定吗?比如什么必须在前面 Lily and Lucy have got a new piano.（对a new piano提问 什么是Off_Balance_Sheet_Asset? 有day and night 的句子是什么时态? 用英语八种时态and情态动词 主动句变被动句造句 每种造两个句子要有主动句 和被动句 Whose activity book is that?(同义句) Whose book is that?改为同义句 whose book is that的答句限3a~5a的回答形式 和国外代理保持联系,协助销售维护客户.英语 国外代购该怎么做?求答案 去购物的英语是go shopping 而去上学的英语是go to school 为什么两者都是去.而一个要加to呢?Rt那到底什么时候加to什么时候不加呢 can you feel my can you feel my world Do you feel my 啥意思? “用我的一生,换取你的信任”用英语怎么说? 英语中用连词连接的句子各自的时态是否跟所连接的句子有关 li ping can't come and help let's ask jim i_____.(填空) Don't be sad.let me and Jim help you.me and Jim 排列对吗 Can I help ( ) A Jim and I B Jim and me请写出原因