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问题 do a survey, make a survey等的同义表达

Do a survey and write up the survey results.句子来自2019版人教版高中英语新教材必修一的 Unit 3（p45）。老师说，这里的 do a survey 可以换成 make a survey。 换句话说，survey 可以与do 搭配，也可以与 make 搭配，请问还可以与哪些动词搭配...

问题 请教对一句话的理解

...句话：These are rope-wrapped posts，they look like decorative elements in this space, but they're also 4 by 4 that securely hold up these overhead shades.上面内容是描述用4根石柱撑起的遮阳棚，石柱用绳子缠绕包裹。想请教这里使用的短语4 by 4，我看四驱汽车...

问题 Had we done so用法

关于掷骰子：Had we done so, each of us would have had about 50% heads.其中Had we done so,看不懂，这是什么结构呢?

问题 如何判断是分词还是动词(worked)

在牛津词典上看到shift有如下解释：a peroid of time worked by a group workers who start work as another group finishes.请问老师，如何判断 worked 是过去分词还是动词？

问题 edge的意思和用法

Tech companies cover up their hard edges with a wide range of dubious management techniques.科技公司用各种不太靠谱的管理技巧来掩盖自己的硬心肠。问题：请问edge可翻译成"心肠"的意思？在各个字典中都找不到相近意思。

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 since引导时间状语从句

...嘛。而不能用于“已完成的影响用法”，He’s put on a lot of weight since he gave up smoking. 他戒烟后体重增加了许多。　　

问题 比较级 better 的修饰语

Is he ______ better today? Of course. A.much B.any C.a bit D.even 可以选B吗?

问题 He is better 理解

在《夸克语法》中，7.77 Comparison of good, well and ill 写道：He is better is ambiguous between(a) He is well again.(b) He is less ill.我只能理解(b)，(a)该如何理解呢？

问题 再谈wide open与open widely

...了。现重发如下，供大家参考： He would like to sleep, with the window ______. 答案为 wide open。请问 open widely 为什么不行? 此处副词 widely 修饰形容词 open，我感觉放在后面也可以。请解释一下，谢谢。 （个人按：这个问题如果这样...

问题 系表结构中副修饰语的位置(涉及get rapidly worse等）

Latest reports from the capital suggest that conditions there are ______.A. getting rapidly worseB. getting worse rapidly请问哪个词序是对的，或是两个都是对的？谢谢！

问题 can't be doing sth表示什么时候在做某事

我对下面句子中的 can't be telling 的用法不太理解：If he said that, he can’t be telling the truth.我的疑问是：为什么不用 can't have been telling 呢？前面的 said 不是表明这是在谈论过去情况吗？

问题 难句中 collaborate 和 point down on 的理解问题

Then to collaborate their findings, they went to points further down on Columbus voyage, then backtracked according to the log nottions and again found that they landed not on Professor Morrison's Watling Island but on Samana Cay.这里的 collaborate 肯定不是“协作”的意思，它还...

问题 ...came back heroes 的语法分析(省略了as还是 heroes作状语)

《火星救援》英文版第一章有一句话：The Ares1 crew did their thing and came back heroes.最后 came back heroes 是省略了 as 还是 heroes 名词作状语。如果是，是哪种语法现象，哪本书有详细讲解。

问题 It's good to know that...分析成主语从句

 It's good to know that the dogs will be well cared for while we're away. 这个句子分析：it做形式主语，to know that...不定式做主语。可以把that..句子作为主语，it做形式主语，谓语部分is good to know.这样的分析吗？