after doing sth 的意思是“在做某事之后”，after having done sth 的意思也是“在做某事之后”，介词 after 本来表现出了先后关系，所以我觉得用完成式是多余的，是这样吗？我原来以为英语只能说 after doing sth，但不能说 after having don...
...近看了一个外教老师的英语改错题：I suggest him to
buy the other one.外教给的答案是：I suggest that he buy the
other one；I suggest he buy the other
one；I suggest buying the other
one。如果我改的话，第三句改为 I suggest
him/his buying the other one.岂不是更...
This book will show you ________ can be used in other contextsA. how you have observedB.what you have observedC. that you have observedD. how that you have observed本人对what引导的主语从句不是十分了解，希望大家能够给予一些建议。（本人是英语初学者，莫要太深...
...h tree
roots and vines (藤蔓).
Mik was carrying 30 kilos on his head! By that evening, we made it to 3,000
meters. The air was thinner andit
was colder. When I arrived at the campsite for the night, my tent was already
set up and waiting for me.Day two was much steeper (陡峭的) and rockier. I ...
Another thing that Messi does quite often, and quite well if I may add,
is building the confidence back up for those players enduring a rough patch.这是从一篇杂志中摘抄的，不太了解为什么 is + building, 在这种类似表达中我一直只知道 is + to, 请问是杂志本身有错...
...ehead
was still full of sweat in winter.
第二段：When Green and the othertwo teachers reached the family's home less than ten minutes later, seeing what was happening, they sighed in relief.Julia was tutoring Mary's grandson in the room, and Mary sat quietly on
the next stool to listen and a...
Sports thathave propelled Britain up the medal table have received extra investment while others have had their funding cut altogether请问：sports为什么要加s，表示什么意思？others指的是“其他非sports的东西”还是“英国外的国家”？
... partly altered site can provide valuable information, which would be lost otherwise.请问老师这里的otherwise 是否则的意思（ 2 : if something did not happen, was not true, etc.），还是下面红字给出的意思呢？假设这里的otherwise是否则的意思，教授的意思...
The Johnsons have a place (where) they can get away from other people.这一句是否可以改写为The Johnsons have
where they can get away from other people.where做融合型关系副词，引导名词性关系分句但好像旋元佑在书中指出不能省略名词类的a place，只能省略...
...expressly agreed by the parties in writing: (i) no third party software or other Technology has been provided to the University, and (ii) any individuals performing work on behalf of the Consultant under this Agreement are employees of the Consultant, and not independent contractors.这句话中的e...
...心生担忧。△用于复合不定代词后作后置定语：There was
nothing abnormal about her behaviour. 她的行为毫无异常。(2)用作表语Is he
abnormal in any way? 他在哪方面有什么不正常吗?It’s a
hereditary disorder that can cause abnormal growth. 这是一种可能会...
...ill achieve it's goals 【by selling abundant local natural resources to other countries】 and 【by giving help to other countries】. 由and连接起来的两个方式状语，算是一个状语还是两个状语。by.... 是介词词组作方式状语。名词词组的并列，可以在句子...