我见到的一个句子是：
The teacher stepped in and then closed the door behind him. 老师走进来，随手关上了门。
句中用的是 close the door behind the door，但老师说这样用的 behind 不能换成 after。请问是这样吗？如果不能换，仅仅是因为惯用...
... they also created their own. If ever there was a sign that football is taking off in America, this is it, says Mr Goldblatt.网上译文：戈德布拉特将这个球队的粉丝比作意大利狂热的足球支持者，他们尽管带有很多欧洲足球文化的传统，但也形成了自己的...
A sedentary lifestyle and a changing diet has doubled the number of obses Australians and trembled the army of fat children in the past decade.用and连接的并列主语后面为什么用单数动词（A and B后面用单数动词）？
"and one teeny faded blue piece, about the size of a penny matchbox, that was from grandpa's uniform that he wore in the civil war" 这个句子逗号后面的that引导的是限制性定语从句吗？
A string of accidents, including the partial collapse of a cooling tower in 2007 and the discovery of an underground pipe system leakage, raised serious questions about both Vermont Yankee's safety and Entergy's management especially after the company made misleading statements about the pip...
Having been told that some guests were coming, she stopped all morning
in that supermarket. 这句话中为什么是用having been told?when asked the reason for their success，the kids had two
explanation. 这两句话很像，但是第二句就用的是asked，同样都是主句为过去，从句...
...eat progress _________. A. three years ago B. for three years C. in the past three years D. before three years 我想问，make progress是短暂性动词吗? 若是，那么为什么和一段时间连用?（我之前看到过make friends with 变be friends with的）另外make是延...
我网上看到了这样的一句话The more...,the more you will find things to be grateful for in your life.我一开始觉得这话肯定不对，因为这样看下来是“生活对……感恩”，介词for也无处着落；但是后来我在想work to do的这种结构，把to be grateful for...
VOA: Adnan Hamidi owner of a cupcake shop calls it government
interference, invest in programs that are able to help them, how about grow the
person versus mandating someone to deplete a payroll basis.
这是VOA采访即兴演讲，其中有一些错误。
请教老师：这句话 mandating someon...
Reconsider the 15
minutes you spend in line at the café to get coffee．That's a
quarter-hour more you could be sleeping if you bought a coffee maker with a
timer．问： That's a
quarter-hour more you could be sleeping ，改为You could sleep a
quarter-hour more .(你可以多睡15分钟。)而...
Surely there is no more commanding moral imperative for people in the west than to urge each other, and their governments, to bring relief to the world’s poorest.问题集中在本句后半部分的划红线部分，请教老师2个问题：1. 我感觉本句中的 to urge each other, and their go...
一篇关于single sex和mixed school的雅思考官范文中有一句话我不理解：They are also able to learn from each other, and to experience
different types of skill and talent than might be evident in a single gender
environment.(“They”指的是混合性别学校的学生）谷歌翻...
...卷1内容相同)Husband and wife为什么不用冠词句子结构分析(think is)what time与at what timeon the list与in the list的区别recent与most recent的区别(还有recently与most recently的区别)last time是“上次”还是“最后一次” 【阅读理解A篇】疑难解答现在...