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问题 must have forgotten,must have left 的区别

一道选择题 :I can't find my notebook. I ____ it in the classroom. A. must have forgotten     B. must have left      C. must forget  D. must leaveA,B有何区别？谢谢!

问题 I bought a new bicycle, _____ was very high.

横线处为什么填 the price of which呢？

问题 wish/if only 时态填空问题

1.You are making a lot of noise. I wish you (wouldn't.)He plays the piano so well. I wish I did.请问:为什么第1句这个空填wouldn't 而不能是didn't?  而第2句就可以用did? 2.It's a pity John's away. If only he (weren't)"离去"并不...

问题 amount of 后接复数名词时谓语动词的单复数

The amount of resources available in an area determine how many organisms can live there.请问老师：上面这个句子正确吗？amount of后面一般是不可数名词，不过有时候也有用可数名词复数，但是动词不是应该根据amount决定的吗？怎么这里使用了复数...

文章 高中英语新课标词汇-教学参考资料-leave...alone

...。如：Flease go away and leave me alone. 请走开，别烦我。I wish they’d just leave me alone. 我希望他们别来烦我。Leave her alone until she cools down a bit. 不要管她，让她冷静下来。Go amy now and leave me alone. 现在就走开，让我一个人待着。Don’t leav...

问题 句子的承前省略问题

When he was young, he was totally indifferent to studies(,) and (he was) unwilling to consider a non-sports career, which finally brought him misfortune. 括号中的部分是否能省略？为什么？

问题 完成时的问题

有一道题： He _____ in London for more than ten years, but he has never regretted his final decision to move back to China. 这个填lived 请问老师， 为什么有完成时标志，而且下半句是现在完成时（过去影响了现在），此空还不填过去完成时呢？

问题 right 可数还是不可数

A man has not any more right to say an uncivil thing than to act one. 上面一句摘自《现代英语语法》，句中的right在这里是“正当的要求；权利”的意思吧。如果是的话，那不应该是可数的吗？应该为“rights”吧。还请专家老师帮忙解答。

问题 I have no idea if...句式的分析（同位语从句还是宾语从句）

I have no idea if he made an apology to his friend. 想要问一下各位老师应该如何理解 if he made an apology to his friend 这一部分的句子成分。看过之前的一些讨论，比如 I have no idea where she's gone 可以理解 idea 后面是同位语从句。但是对于 I have n...

问题 since从句的理解与时态难点

The library ______for more than 60 years since it _____ in 1940. A. has been open; opened B. has been opened; opened C. has opened; was open D. has been open; was open 正确答案为A。但 D 为何不可以呢？有资料说，当 since 引导的状语从句的谓语动词是延续性...

问题 in enough sth 是个词组吗？为什么查不到呢？

He had been in enough briefings over the years. 这种简要介绍他听过多年啦。Have you ordered in enough envelopes this month? 这月你订足信封了吗 ?怎么感觉 in enough sth 像个词组似的，但是查不到？

问题 would+do是对过去习惯的推测还是表示过去习惯做某事

Before his retirement he would catch the early bus every morning.请问老师，上句中的would是对过去习惯的推测吗？一直以为是过去习惯做某事，可是看到有书说这是对过去习惯的推测，不太明白两者有什么不同？谢谢老师的解答。

问题 动词时态选择题(涉及过去完成进行时等)

When I saw the mess my paper was in,it was obvious that someone             it.A.was reading   B.had read   C.had been reading   D.read请老师详细讲解这道题为什么选C项而不选其他项啊？谢谢老师啦

问题 指代上文it与one的区别

...比如下面这句话：Each misfortune you come across will carry with it the seed of tomorrow's good luck.按我的理解我就觉得这里的it可以换成one，one不也可以代指上文的事物，each misfortune也是泛指，想请教老师我的理解是不是不够准确？

问题 关于where关系副词的范围划分问题

Economy：The process or system by which goods and services are produced, sold, and bought in a country or region韦氏高阶词典问题：这条定义当中的by which能否替换成where作为”抽象性地方名词process/system”的关系副词去自行理解。常用的关系副词why/where/...