It's one thing to read about these things and fire off a know-it-all screed in the comments section of some website, but it's different when it's on your doorstep.这句话中when引导的从句是主语从句还是时间状从？同理由此引申出：如果it作主句主语，从句...
In spite of the considerable work as China has done in its campaign to control smoking and use of tobacco, the situation of smoking control still remains grim.as这里是关系代词，在定语从句里面指代的是the considerable work，所以它在定语从句里面应该做宾语吗？
Such as when a woman goes into a shop to buy a new dress, she is
self-evidently in possession of the information that the market researcher may
want.in possession of 拥有是固定搭配，of是空着要填的，我会经常填成with，这里的介词有什么不同呢？要如何理解和记忆...
I was to have made a speech if _________.A. I was not called awayB. nobody would have called me awayC. I had not been called awayD. nobody called me away请问老师，这题if引导非真实条件句，为什么主句又用的过去将来完成时？还有请问怎么区分陈述语气的时态和...
He says that more openness in science could help to discourage what
some perceive as a common practice of shutting out early-career scientists'
requests for data.请问这里what 引导的是什么从句？
The above inventory of natural selection specializations would be remarkable enough, but what really separates the chameleon from its fellow reptiles is the fact that its scales contain the ability to change color.
...看这个句子吧：There are ways in which
blockchain might be applied to provide data integrity where it is not currently
a significant consideration, which may support future cyber operations by
providing auditing , resource management and authentication functions.我一看到这逗号就有点...