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问题 为什么用 by September 30

—When do we need to pay the balance?—______ September 30.A. In            B. By          C. During        D. Within答案是B。为什么用 by September 30？

问题 这道题一点思路都没有了

It was not until man had learned how to make iron and steel that the constructionof various machines _ possible.A.were madeB.had madeC.madeD.was made请老师帮我仔细划分句子成分再逐一给四个选项解答，最后在详细说明not until的用法，谢谢。

问题 名词性短语可以做什么成分

When julian assange was dragged out of Ecuador’s embassy and into a London courtroom on April 11th, you could be forgiven for thinking that it was his life’s work, moral character and personal hygiene in the dock. 请问老师，最后的moral character and personal hygiene in the dock...

问题 2016考研英语text3句子疑问

2016年text3句子It argues that since prosucutors do not consume a company's products as part of their investigations, they could be influenced by the halo effect. 为什么consume前不加see或者regard？

问题 用英语说“儿童公园”可以省略所有格形式吗

Last Sunday my family went to ________.A.the child's parkB.the children' parkC.the children's parkD.the childrens' park

问题 前置形容词和名词为什么可以用逗号隔开

Rich or poor, people here will get a relatively level playing field.各位老师好，这里的Rich or poor,为什么还加了逗号呢？

问题 英语句子翻译疑问

The most recent National Journal poll asked respondents about the American dream, what it takes to achieve their goals, and whether or not they felt a significant amount of control over their ability to be successful. 红色部分的it指代的是什么？指代前句的the American dream吗...

问题 同一个句子三个that的作用

Although scientists have known for a long time that about 2% of people suffer from face - blindness, which means that they have huge problems recognising faces, they are only new realising that some people are the exact ones.这三个that的作用是什么呢？

问题 时态和句式的问题

The millions of calculations involved, had they been done by hand, ______ all practical value by the time they were finished.A. had lost    B. would have lost       C. would lose       D. should have lost请问：应该选哪个？ had...

问题 suffer 与 suffer from 的区别?

He suffered a lot of discomfort.He had been suffering from repeated stomach ache.请问, "遭受不适"和"遭受胃痛"感觉上是同一类的, 为什么一个句子用suffer ,另一个却需要用suffer from?   这 from repeated stomach ache 又是什么成分?

问题 想问下句子时态的问题

（1）She has to say she wishes the situation were a little better. (单数，为什么用were而不是was呢？)（2）He ordered them to get out of the store or he would had them all arrested.(为什么不是would have 而是would had？ 另外如果句子是一般时态，是否可以用will hav...

问题 句子成分分析

...两个句子有些地方不太明白：He worked in construction up until a couple years ago.这里为什么不直接用until，为什么要加up？up until是双重介词中间省略了某个词吗？如果up是副词那它up是什么意思呢？I'm surprised that you of all people should say t...

问题 There be 句型中 there be 做什么成分

1.There was a river which crossed the area from north to south.中there be 是什么成分？2.there be 都可以做什么成分？谢谢

问题 形容词分析

Left,until now,to odd,low-level IT staff to put right ,and seen as a concern only of date-rich industries such as banking,telecons, and air travel ,information protection is now high on the boss’s agenda in businesses of every variety.这里的形容词为什么要用逗号呢？是因为都是观...

问题 句意理解

Well, I understand that your company has a chemical processing plant. Clearly, there are chemicals in our bodies that don't belong there.后半句：我们身体里的一些化学物质不属于那里。是什么意思呢？我理解成了那些化学物质不应该属于化工厂（that指代chemic...