It was a dangerous excursion, did he but know it, for its headquarters was the focus ofthe ‘military resistance’ which would strike against him in July 1944.请教一下各位老师，看到国外论坛说这个结构的意思等于"if he only knew it".那么did he but know it 是否是if省略...
Some
ofthe world’s most important scientists think theideaof people living on
Mars will come true one day.老师好，请问living能改为to live吗？一说of后加动名词，可是该句中of后有people，也同样适用吗？
A history of long and effortless success can be a dreadful handicap, but, if properly handled, it may become a driving force. 这样一个句子不是有两个谓语了吗，can be 和 may become？
...going to college meant your first taste of real freedom, of
late nights in the dorm or in the Junior Common Room, discussing the meaning of
life. 谢谢各位大咖专家老师们！
In Britain, for example, many of our best-loved farmland birds, such as the skylark, the grey partridge, the lapwing and the corn bunting, have vanished from huge streches of countryside, as have even more wild flowers and insects.书上说as指代“have vanished from huge streches of countryside...
...地区的铁观音各具风味。Tieguanyin produced in different parts ofthe county has its own
special flavor.那我想用vary这个词：1. The flavor of Tieguanyin varies from region to region in the county.2. The flavors of Tieguanyin vary from region to region in the county.应该是哪一个...
Feelings of righteous indignation, it seems, are not the preserve of people alone.请问老师，it seems是做插入语还是作为主句省略that引导宾语从句，即it seems that feelings of righteous indignation are not the preserve of people alone.
German is one ofthe widely spoken languages in the history, used by about one out of nine human beings in the world. 请教老师，逗号后的部分是German is 的第二个表语？还是应该把used by one out of nine human beings in the world 理解为过去分词作前半句的状语？...