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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 一道时态选择题的答案

He ____ the key, so we ______ into the office.A. hadn't left; can't  B. didn't leave ;couldn't  have got C. hadn't left; could't getD. hasn't left; could't get答案是B，还是C？谢谢!

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 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 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 不及动词的过去分词可以作后置定语吗

请问：不及动词的过去分词可以作后置定语吗？比如看到这样一句：A man just come back from India is said to have suffered COVID-19.这个句子的 come back from India 是修饰 man 的后置定语吧？难道不及动词的过去分词也可以作后置定语吗？

问题 be likely to是形容词性短语组成谓语吗

This decision is likely to upset a lot of people.这里的谓语是is likely to upset还是upset？那is likely to是什么？

问题 名词line修饰动词词组go through问题

It would have been so much easier if a train line went through here.line是名词,线的意思,go through是动词词组通过，为什么名词line可以修饰动词词组go through，合在一起翻成直通?

问题 一个句子可以有多个宾补吗

...谢您查看我的问题。在这个句子 Dumbledore sent him off to Romania to live in a colony. 中，请问这里 off, to Romania 和 to live 是同时作 him 的宾补吗？查了字典有 send sb + adv./prep. 和 send sb to do sth 的用法，请问这一个句子是不是同时存在3个宾...