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问题 反义疑问句迷惑

She has nothing to eat today, (   )  she ?A. doesn't she    B. does she     C. has she    D. hasn't she请教老师，这个题目的反义疑问句，究竟应该选哪个？为什么呢？麻烦老师讲解一下为什么，谢谢！

问题 Human beings still decide on the correct answers中b

beings在这句话里作什么成分？这句话有没有固定的句型在里面？

问题 定冠词的位置

请教老师 first-hand the changes 中为什么the在中间而不是最前面。原句是：He has witnessed first-hand the changes to the oceans and their impact on aquatic life. 

问题 high的修饰关系分析

The plane is flying high overhead.The plane is flying high in the sky.请问这里的 high 是修饰动词 flying，还是修饰副词 overhead 或介词短语 in the sky？

问题 虚拟语气的时态问题Had the government and scientists not wor

since their highest in 2005.这题的答案是would not have fallen，而我觉得是would not fall, 从句是对过去情况的虚拟倒装if the…scientists had not…,但主句用的是since+时间点，不应该是表示是从2015年到现在吗？有since的地方大都用用现在完成时，...

问题 than是引导省略了的比较状语从句吗

...为什么than引导这个句子是省略了的状语从句（than phones of this brick are)；为什么不把它看成是than的介词短语作状语，这样理解不是更好理解吗？than引导的状语从句与than介词短语作状语，有什么区别？牛津词典把它归既是介词，...

问题 描述图表为何用现在完成时态

1. Electricity has brought us great convenience in our life. For most of use, life without it seemed unimaginable. 2. This table has shown that sth is important. 请教老师，句1 中 has brought 指的是现在以前（现在说话之前）已经发生的动作？对现在有影响？...

问题 英语句子结构拆分

We have the chance to obtain information about how the moon is constructed.请问这个句子的结构是这样拆分吗：主语we+谓语have+宾语the chance+补语to obtain information+定语从句about how the moon is constructed如有错误，请各位指正

问题 情态动词的否定含义

It is  raining . You (     ) drive fast. A. mustn't B.needn't 答案是A。老师选B 有语法错误吗？请您讲讲 need 作为实意动词和情态动词时的否定形式有什么意义上的区别？谢谢。

问题 crossroads还是crossroad的疑问

She says she has come to a crossroads in her life and must decide which way to go. 请问这里的 crossroads 为什么要用复数？

问题 be better to用法

What this means is that you are better to buy a good scanner, and keep your documents electronically. 请问这句话有错吗？出自FORBES.

问题 一道让步状语从句的问题

( )he is,he is very rude to me!A,however B,whoever C,whatever D,whenever这样解释：he是代词,说明主语he已经明确了,当然知道he是谁,所以已经明确不用who，对么？谢谢

问题 现在分词做定语可以表示将来吗

There is a course beginning next week.我知道现在分词作定语可以表示现在或过去进行以及普遍情况，但今天看到这个句子，这是表示将来吗。

问题 well beyond it疑问

If these worries spread, they could destabilise America and cause a fifinancial shock and well beyond it.请问老师这里well beyond it该怎么理解呢？谢谢

问题 should的问题

Should you be caught in a lie, your punishment shall be grave indeed.请问这个句子should的倒装有问题吗，以前学虚拟条件句的should可以倒装，但这里主句用了shall，又似乎说明这是真实条件句，所以这到底是虚拟语气还是陈述语气？是否应该把s...