Mainly because I know how harsh these sort of terrains can be.疑问语序：How harsh can these sort of terrians be？陈述语序：How harsh these sort of terrians can be？这里的How harsh是做表语吗？疑问语序：How happy can we be friend？陈述语序：How happy we can be friend？...
Yet properly understood, the age of electricity is merely the second stage in the age of steam, which began a century earlier.老师，您好！1.上述句子中，怎样理解yet properly understood的结构？是否yet properly understood是一个带转折含义的省略条件句，即yet properly...
The acting area was wide but shallow, pushing the action towards the front of the stage, and this facilitated carefully choreographed sequences of a non-naturalist delivery of Ibsen's text. 我的翻译：演区很宽但很浅，将行动推向舞台的前面，这有助于非自然主...
...，都是从入住伦敦（started living
in London）开始，到现在(now)为止。不同的只是句（01）表示他们直至说话时仍住在伦敦；而句（02）表示说话时他们已不住在伦敦了。又比如：(03) He's been getting bad headaches since he has been in the
army. (04)...
They suggest a cause of the subsequent state of equilibrium or process
of simplification that would have to have come into operation at some time
after such a pre-historical development. 请问老师would have to have是什么用法？
Balance of international payments is an overall statement ofone
nation's economic transactions compared with that of other nations, including
current and capital accounts.
1) that指代的是什么，如果是overall statement的话，那么是不是应该为other nations' ？
2) including的逻...
...nts to show that he has the support from what he calls the silent majority of Americans.请教老师：这里what使用正确吗？我的意思是support只能来自于sb, 所以sb= what he calls the silent majority of Americans. ？he calls the silent majority of Americans “what”. what是...
Thus, the anthropological concept of "culture", like the concept of "set" in mathematics,is an abstract concept which makes possible immense amounts of concrete research and understanding.固定搭配是make sth possible, 句中把possible提前，变为make possible sth是什么用法？
...urther treatment will prevent cancer from developing.These are all symbols of the fast speed of development.这两个句子里的developing和development能互换吗？更进一步，如果是the speed of
China's development，这个短语中的development能换成developing吗，为什么？多谢...
表示“做某事的方式”，the manner 后接不定式还是 of doing sth？见到过后接 of doing sth 的句子，如：We don’t like your manner of doing it. 我们不喜欢你这种做法。请问可以将 manner of doing it 改成 manner to do it 吗？
...样的想法对不对。2.Every precaution was taken against the failure of the plan. 此句中against the failure of the plan是主语补语吗？3.Are you sure of Simon's disappearance? 书上说of Simon's disappearance是表一sure的补语，我同样感到怀疑，因为我从来只听...
...riving at the village, the students went to help the farmer.正确答案是On,但有的同学说这里也可以用Once，是省略了主语的用法。但是我觉得不行，因为once虽然能引导时间状语从句，但是不能跟进行时，如果是省略句的话,那把省略的部分还原...