Some university students carried out a campaign ____ they celebrated their whole day without cell phones.如题摘自2020北京海淀区校级模拟，参考答案给出的是where，解释自然为定语从句作状语。但是否能将其视为同位语从句，而填that？
...里的主语从句和宾从的关系是怎样的？2、to pull the stick是定语吗，为什么呢？3、这个句子最简略的主干是以下的部分吗？ What he had hoped turned into an awkward attempt. 4、这里的情态动词would表达的是什么意思呢？在上下文中，应该不...
As a physician, I know the most costly and dramatic measure may be
painful.请问老师，这句话为什么是宾从省略that，即 I know （that）the most costly
and dramatic measure may be painful. 而不能是定从省略that，即 I know the most
costly and dramatic measure （that）may be ...
这个定语从句的逗号位置可以这样放吗？Excruciating, almost paralysing pain in the affected area accompanies
the sting which, in some victims has been known to last for a period of months.
When she posted a
video, to show her approval to the idea, the mass thought it was an approach to
distract their attention.请问这两个动词不定式前一个是状语后一个是定语吗？为什么？第二个it是形式主语还是代词呢，请问如何区分呢？
请问 than 后面可能接 if 引导的从句吗？比如：If we eat out too often, the cost of living will be much higher than if we eat at home.我总觉得句子中的 than if 用得有点怪。请问这样的 than if 用得对吗？请教各位专家老师！
Gross MarginGross margin is the percentage difference between what a product sells for in the market and what it costs to produce that product.what it costs为什么不写成how much it costs?