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问题 英语不能说 a US girl 吗

Who's Amy? Oh, she is ______ girl.A. an nice  B. a Chinese    C. a English    D. a US这题的答案选了B，为什么不能选 D？

问题 A of B，谁修饰谁

There exists certain degree of similarities between industrial clusters and species population.这里为什么是 of similarities 修饰 degree？A of B中如何判断哪部分修饰哪部分？如a number of B,这里是A修饰B；the number of B，这里是B修饰A。

问题 I’m not…（否定句）后面的反意疑问句如何变

书上说：肯定形式的 I’m… 变反意疑问句是用 aren’t I。比如：I’m very early, aren’t I? 我来得很早，对不对？但我想：如果是否定式呢？比如：I’m not very early, ________?是用 are I 还是用 am I？谢谢！

问题 heart and lung disease还是heart and lung diseases

Not only cancer, but also heart and lung disease are influenced by smoking. 不仅是癌症，还有心脏病和肺部疾病也都会受吸烟影响。请问：句子中的 heart and lung disease 用得对吗？我是说，为什么 disease 不用复数呢？它前面不是有heart and lung 修...

问题 I see it all now 的用法

I couldn't understand why he was so interested to know all about you; but I see it all now.i see it all now 的 all 在这是副词还是形容词（修饰it）？

问题 英语句式分析（What matters much more is...)

What matters much more is that you wouldn't have me.官方的翻译是：你们要是没有我这个朋友，那才不得了呢。出自纳尼亚传奇中。请问这句话是什么句式，什么用法?

问题 动名词和不定式及其进行时作主语的区别

It is nice sitting/to sit/to be sitting here with you.这三者在意思上有啥区别？谢谢！

问题 请问这个would算虚拟语气吗，还是过去将来？

I thought the machine would spit out the coins just when you won the game. 实际上是 when the game over, the machine will spit out the coins, 与事实相反，那么这个would句子可以看作虚拟语气吗？还是仅仅是过去将来？

问题 the most right people 为什么不对呢？

老师们好，我最近遇到一道改错题，题目如下。I put you in touch with the most right people.其中，most是错的，请问为什么most不可以和right连用，表示“最合适的人”呢？

问题 up until与until的区别

If you're heading for an evening event, eat regular meals and snacks every few hours up until party time.如果你正要前往一个夜晚活动，每隔几小时吃常规的饭和甜点直到派对时间。这样的译文对吗？这里的up是不是和until一起构成的短语，那up until 和un...

问题 为什么if从句和主句都用would

If you'd come along and support us, we'd really appreciate it. 如果你能前来支持我们，我们真的会为此感激不尽。这是麦克米伦英语词典上的一个句子，为什么if从句和主句都用 would 啊？

问题 more a success than 的说法有错吗

The experiment was __ we had anticipated.A. a success more thanB. more a success thanC. a success as much asD. as much of a success asThe Milky Way is made of more stars than anybody can count.选B不能像这句话一样吗？than做anticipated的宾语不行吗？

问题 It was a long time until...还是It was a long time be

A man escaped from the prison last night. It was a long time ____ the guards discovered what had happened. A. before   B. until   C. since   D. likely 答案为before，请问可否选择until？

问题 关于a和the的一个不同使用

请教下，上面这两个红框中a和the的类指用法，我感觉有些不解。如果说a child和a horse可以理解为孩子和马中的任何一个的话，似乎说得过去，但是放到下面这个the teacher来说，似乎 for a teacher（对任何一个老师来说都是容易的）...

问题 once a year 的语法分析

在 once a year 中，once是副词还是名词？a year 是名词词组作状语吗？是once 作副词修饰 a year吗？