The Brief History of Time ___ by Steven Hawking. It is a great book about science.A is written B was written 难道该句子只能用被动态的过去时?有无可能用一般现在时来被动表示“客观的常识,还有常态化的含义?
For example, one explanation for why a cell may deliberately destroy itself is if its sacrifice lowers the viral load on closely related cells nearby. 经济学人最新一期的一句话,这个句子是由if引导的表语从句吗?
朗文place词条有一例句,Did the accident happen at your place of work.工作地点。 学生分析work表示该place的功能,即该place是用来干嘛的,此处应用for,即your place for work. 查了of用法,并无表“功能、用途”含义,请老师解惑!!!谢...