People describe a day in which everything goes wrong as a black day.谁能解释下为什么该句中不用on which 而用in which （PS：我认为该句还原是in a day,关键是为什么不是on a day.有可能定从还原错了,见谅啊.）第

英语翻译People describe a day in which everything goes wrong as a ''blackday''的中文翻译 中文翻译People describe a day in which everything goes wrong as a ''blackday'' 帮写个新托口语吧 describe a people who makes you laugh 就是你自己的版本 中文翻译People describe a day in which everything goes wrong as 1道托福口语题速求Describe a place where people in your town like to gather. describe the two people in the picturt. People shoud be p___ from polluting the environment.Could you write a ______(describe) of your monther? how to describe a working people大概3分钟左右如何详细描述一个工作的人 describe a person 的对话 Can a postman help sick people 回答是hui da zhe ge wen ti some people say that ___British are ____funny peopleA.the;a B/;the Cthe;the Da;/ 求英语作文范文:Did you have a nice trip?Please describe somethingDid you have a nice trip?Please describe something about it,such as people and custom,scenery and weather,all the interesting things during the vacation, 小丸子很可爱的“A DA DA,A DA DA,A DA A DA DA……” People often describe lchiro with one word :cool是什么意思 What words describe why people study organizational behavior,求回答. a la si da wei si da wo da da sda d a People usually call it (the system of a language) and sometimes people describe it as the rules of a language.括号里的中文解释是什么,应该填什么单词?