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问题 句子时态的疑问

(1)It is the third time that I've explained the problem to you.(2)It is a long time since I saw Tom at my uncle's.(3)It was fifteen years since she had left home. Her home village had greatly changed.1.请问以上三个例句的it是形式主语还是强调？2.我对以上句子的时态...

问题 关于with复合结构和独立主格结构的问题

With all the work __to do__ (do), I don't know if I'll have time to go out.请教一下各位老师：1.这一题答案为什么是to do而不是to be done？是跟主句主语有关系还是to do在with复合结构中可以表示被动含义？2.如果去掉with，变成独立主格结构，应该...

问题 saw my leg off是啥意思

"'The remark which I made to the stranger--(Voices. "Hello! how's this?")--was this: "You are far from being a bad man. (Voices. "Great Scott!") Go, and reform."' (Voice. "Oh, saw my leg off!") Signed by Mr. Pinkerton the banker." ...

问题 for用法

You'd better ask the travel company about the total weight for all your bags.

问题 much 分析

The brain needs exercise in much the way our muscles do.请问老师，如何理解句中的much？

问题 时态判断

The policy—made, the next problem was how to carry it out.为什么用having been 而不是过去的过去had been

问题 介词辨析

look up into the sky和look up at the sky区别是什么？这里into和at都表“方向”，请问在这个释义上有啥区别?

问题 哪些介词可以后接哪些副词作宾语？

...作介宾的介词有：along, around, down, from, in, near, on, over, out of, round, through, under, up 等。2 常接时间副词作介宾的介词和副词有：since：可后接 lately, recently, then, today, yesterdaytill/until: 可后接 lately, recently, now, then, today, tomorrow, tonight, y...

问题 句子分析（涉及宾语从句和形式主语it等）

老师好，请老师帮忙看下我分析的是否正确，谢谢！If they knew  how difficult it was to drill through the hard rock , they would lose heart.从句是由if引导的与现在事实不符的非真实条件状语从句，在这个从句中包含了一个宾语从句（how difficu...

问题 时态问题

我曾在书上看到这样一个句子：The incident takes place in the 1930s. 请问为什么没有使用过去式？是不是错误，应该将takes改为took?

问题 关于谓语

老师你好，我在张振邦的书看到“整个谓语”这个概念，是指除了主语以外的全部内容吗？例如 i enjoy the party，enjoy the party就是整个谓语，对吗

问题 代词的指代疑问（同时涉及非限制性定语从句）

下面一句中的 they 是指代什么？是指代 the screens？还是指代photographs, text and information from websites？The screens also show photographs, text and information from websites. They’re brilliant! 另外，这个 they 可以换成 which 而变成一个非限制性定语从句...

问题 关于定语从句逗号问题（逗号后面的从句用that引导）

On September 8th the firm did take a tentative step back into the country: Motorola,　its former handset unit, launched the first smartwatch supported by Google and powered by its operating system, Android, that understands Chinese voice commands.摘自经济学人。划线部分的逗号后应该...

问题 时间的疑问以及that从句不跟先行词的疑问

Between 1910 and the 1920s, several raids were undertaken against the tribe that were intended to exterminate it. 一、开头的between 1910 and 1920和 between 1910 and the 1920s有什么区别吗？ 二、这里的that的从句根据语意应该是修饰raids的，这种定语从句不跟着先...

问题 介词及从句（为什么是to which而不是for which）

Specifically, the authors found that the modern era is unique in the extent to which creatures with larger body sizes are being preferentially targeted for extinction.请问为什么是to which,而不是for which？