问题 behind单用疑问

How much am I behind?这里的behind是副词作表语，how much是做什么成分？I am behind how much？I'm three payments behind.这里的behind是做副词修饰am系动词吗？

问题 that与what做主语时的区别

...nbsp;            D. that  这个问题选 C（what）不行吗？这不是作主语吗？谢谢老师解答！

问题 and的逗号问题

His forte, and his love, is the policy.老师想问下，这里为什么是逗号，而且谓语动词用了单数形式，forte和love都指的一样东西吗？

问题 ups and downs是怎样一个语法形式

Life is full of ups and downs. 人生充满苦和乐。请问老师， ups and downs是怎样一个语法形式？是类似与9-year-olds这样的名词形式吗？谢谢老师回答。

问题 The weather in Harbin is colder than that in Nanji

问题 He now regrets hitting that send button.中send是什么词性

问题 The shock was such that she was almost driven mad.

问题 Perhaps one of the reasons is that teachers work t

问题 定语从句和强调句区别(It is a wise father that knows his own child)

It is a wise father that knows his own child.这是一个强调句，但是因为强调的是主语，怎么判断他不是定语从句呢？

问题 what名词性关系分句强调问题

请问，What makes his headmaster unsatisfied with him is (that) he often breaks the school rules.这个句子为什么不能再用It is .....that 强调。强调的话不就是 A： It is he often breaks the school rules that What makes his headmaster unsatisfied with...

问题 Paintings by many famous artists like…为什么用by不用of

It has artworks that any museum in the world would want to collect ,paintings by many world-famous artists like Monet and Picasso.by应该是引出动作的施动者啊，表被动啊，如果这里用by的话，我觉得前面应该是painted。可是这里的paintings是名词，我觉得应该用...

问题 and not enough to 疑问

Only a  handful of databases record the abundance of insects over a long time—and not enough to judge long term population trends accurately.老师好，请问and 后只有一个副词enough吗？它的完整句子是什么样？

问题 关于情态动词的一道选择题

You can have a website with a few pages of basic information about your shops but it __________ be very complicated. A. should B. needn’t C. doesn’t have to

问题 it is not surprising that..和it is not surprising why是不是都可以表示"...是不足为奇的"

同位语从句当中it is not surprising that...和it is not surprising why...有什么区别？如下语境，这两个表达是不是都可以？He was stuck in traffic jams this morning. It was not surprising that/ why he was late for class.

问题 如何理解hot and cold water（冷热水）

在一篇英语习作中看到：The hotel provides hot and cold water all day.我对其中的hot and cold water 有疑问：它要表达的意思应该是“冷水”和“热水”，即既供应“冷水”也供应“热水”，但hot and cold water（冷热水）给人的感觉是一种水—...