在一张试卷中有这样一组对话：—Are you going to school by bus or bike?—Sometimes by bus and sometimes by bike. 问句中的 by bus or bike 应该是 by bus or by bike 的省略形式，但问题是，英语有这样的省略吗？...
下面一段话中managed，prepared，词义是什么？rules，followed.怎么翻译成:规则，服从对吗？These days,是什么意思？These days, most food in the world is safe,这句话中主语是什么？These days, most food in the...
whatever 一般都是单独使用的，如：Whatever she did was right. 她做的一切都是对的。I will just say whatever comes into my mind. 我想到什么就说什么。Whatever happens, don’t forget to write. 无论怎样别忘...