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...
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...
...; 1. If you want to get up early, sleeping earlier the night before is expected to be successful. 所以，before并不限于 过去的时间点，可以扩展到 某个特定的时间点？ 假设现在是周三，我们讲度假计划：我们周六要乘飞...
在前面一个提问材料中看到如下的句子：[https://www.cpsenglish.com/question/55858]摘自北师大高中英语必修第三册第8单元(p31)。Dr.
Jane Goodall believes that the most importnat thing is that: "Every
individual matters. Every individual has a role to play. Every individu...
...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...
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...
《COBULD英汉双解詞典》aside 词条下的一个例句：In an aside he said to his servant，‘See that man gets something to eat.’ 他停下正在谈的话题，对一边的仆人说道，“去弄点东西给那个人吃。”对于句中的 see, 我查了几部字典，也没有搞明...
It may be inferred that, for an agreement to have the effect of defeating, ～ creditors in existence at the time of the agreement or other transaction and it must be those very creditors who are defeated by a later shortfall. 可以推断，一份协议如果具备击垮债权人的效果，在订...
...师帮忙指正！然后这两个句子该怎么理解呢：He showed no interest in it,
and his refusal has knocked the bottom out of our plan. (这个句子knock是非持续非终结动词吗？)It has rained for 2 hours.(这个句子rain是持续性非终结动词吗？)这两个句子对吗，...