问题 compared with... 在句中做什么成分

At present, China's per unit area yield of grain is low compared with countries with high grain yields.请问compared with countries with high grain yields在句中做什么成分呢？

问题 关于what should be的用法

Consequently, what should be an enjoyable time can become an imposition, as well as a disappointment at the same time.an enjoyable time can become an imposition是一个完整句子，请问前面的what should be作什么成分？

问题 时态的问题

...问：此题如何选择答项，并解释。谢谢！2. We have decided that the headmaster _____ (award) the prize to those gifted students at the meeting tomorrow.A. will award    B. would award请问：此题如何选择答项，并解释。谢谢老师！

问题 请问有没有in another word 这种说法？

我查看了很多在线英语词典，都没找着。

问题 分析：There was a boom, boom, booming in his ears.

There was a boom, boom, booming in his ears.booming 在这里是非谓语吗？

问题 Neither of us is all that interested in changing.请

Neither of us is all that interested in changing.请教这边的all表示什么？

问题 介词短语作什么成分（Would you like it in a bag?)

Would you like it in a bag?  请问这个介词短语作什么成分?

问题 句子分析之Whenever引导的句子（另有名词+介宾短语）

...接用was xxx？还有，为什么我不能清楚地区分以上的结构和修饰关系？the event was of great interest to the others.这件事是特有趣的事，对于其他动物（来说）。对于其他动物，这是句子的状语还是定语？I think it is a adverbial phase, but it is ...

问题 in the period before的before用法

这里的before是介词，还是能引导时间状语从句？

话题 the first Indian born woman in space

话题 In partnership with the University of California

话题 users in the hundreds of millions怎样理解

话题 in such a way在句中做什么成分？

问题 I have been in Beijing for four years的理解

I have been in Beijing for four years.老师，这句话是指“我在北京呆了四年（现在仍然在北京生活）”，是吗？谢谢。

问题 as an accompaniment of the great advances in pure science是在句中做it主语的补语吗？

It seems first to have taken possession of a few minds in the seventeenth and eighteenth centuries as an accompaniment of the great advances in pure science.as an accompaniment of the great advances in pure science是在句中做it主语的补语吗？