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问题 定语从句的理解

Also, cable advertisers generally do not have to make the large up-front commitments, which may be as much as a year in advance, the networks require.请问老师，which的先行词commitments may be as much as a year in advance. 承诺是一年，这应该如何理解？

问题 反义疑问句

they all think its better to be busy than to be free______ A.don't theyB.aren't they老师我想问下这里为什么不是选B选项呢而是选A，我看答案解释是因为省略了助动词do，反义疑问句中助动词可以省略吗，如何判断呢？

问题 连词as表示时间还是原因

1 Do not bother Tom as he is shaving.2 Cindy cannot talk to you on her cellphone as she is driving.请问老师：以上两个例句中的连词as到底表示时间还是原因呢？求指教！

问题 状语从句引导词作成分吗

1.When the air moves, it is called wind. 这里when是副词，作从句的状语吗？2.You may do as you please.这里as是副词，作从句的状语吗？

问题 单词替换

...语意很容易选择D，但是查了牛津字典，发现push sb into sth/doing sth而非to sth.所以学生认为该题应将action改为act，或直接在action后加个宾语。请老师点评，谢谢！！！

问题 不定式完成式的用法

be likely 后可接不定式一般式或完成式，相当于may do和may have done.请问be sure/certain后面也可以接不定式完成式吗？学生一直没见过。

问题 as...as结构的省略问题

Imagine trying to do something as simple as reading the notes on a medicine bottle without good reading skills.这里，第二个as如果是连词，这个句子省略了什么呢？

问题 句子结构理解

...学生南美工作经验的。这句话不太理解： No, I wanted to do something that had more of a proper structure to it, I suppose. 句中的 more of a proper structure 是什么意思？to it 中的it是指什么？整句话应该怎么理解？谢谢！

问题 will go swimming的疑问

we will go swimming if it doesn't rain.我觉得不是正确的呀，不是一个“will + do”吗？为什么是 swimming 呢？我实在疑惑，您能不能帮我解决一下？谢谢老师了。

问题 more than 用法（涉及句子结构分析）

Students do far more than just attend classes.这个句子主干是什么，可以不提前操作词吗？ Students far more than just attend classes.

问题 不符合通常句式的强调句

填that, 因为是强调句，但不是很明白，请老师分析下:But do you know what it is ______ that _______ makes the weather change?（一般形式应该是it is...that 啊？）

问题 that引导表语从句可以省略吗

One reason could be poor children do not get the food they need for healthy development. 句中为什么没有that，that引导表语从句不是不能省略吗？谢谢老师！

问题 signaled shutdown是什么意思

新编英语第三版课文里的一句：The part of my brain that switches off when I do anything strenuous signaled shutdown and my feet moved metronomically.这里的signaled shutdown是什么意思，充当什么成分？

问题 did sightseeing是什么用法

Kristin Diehl conducted a series of experiments on photo-taking to find out whether people enjoyed it when they did sightseeing.过去式did后面为什么用ing形式（有did doing句型吗）？

问题 deliver的理解与用法

The zones do deliver some improvements to air quality, and the science tells us that means real health benefits — fewer heart attacks, strokes and premature births, less cancer, dementia and asthma.这里的deliver什么意思? 作什么句子成分?