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问题 虚拟语气中与现在事实相反和与过去事实相反的辨别

原句：If he were alive now, he might have grown into a handsome young person. 要是他现在还活着的话，他会已长成英俊的小伙子。以上句是虚拟语气，我认为此句与现在事实相反。应改为：If he were alive now, he might grow into a handsome young person.老师...

问题 to the best of one’s ability中的ability可用复数吗

You will be expected to perform your duties to the best of your ______.A. abilities   B. ability选 B 肯定是对的。但是选 A 也可以吗？

问题 three-year-old 这类结构中的连字符可以省略吗

He has a three-year-old son.I saw a three-year-old in the room.请问专家：以上句子中的 three-year-old 中的连字符可以省略吗？

问题 neen't worry 与 didn't need to worry 的区别

You _______ about situation like this if you have good social skills.A. neen't worry  B.didn't need to worry答案为 A。为什么 B 不可以。理由是什么？谢谢!

问题 such as 和 more than 的用法

请问老师，such as 中的as 和 more than 中的than 是不是都既可以做介词也可以做连词？比如：I don't have such a nice dad as you do. I don't have such a nice dad as yours. 这两句都正确吗？是否第一句as作连词，第二句中做介词？再比如...

问题 only if 和 if only 引导什么从句都需要倒装吗

...这样一个例句,有些乱看不太懂,请老师解析一下....Only if a teacher has given permission is a student allowed to enter this room但是我也看到过这样不倒装的句子,这样语法会错吗Only if you say the model is the best. 

问题 插入语的引导符号，和同位语的一致吗

When your elderly relative needs to enter some sort of long-term care facility—a moment few parents or children approach without fear—what you would like is to have everything made clear本句话中—后是插入语吗？请问插入语和同位语的引导符号是什么？另外a moment后面...

问题 定语从句先行词受定冠词和不定冠词修饰的问题

假如 Tom broke a window只有Tom一个人干了这件事我能否数说 Tom is a boy who broke the window.（无指称性）【这种情况下，我们会把Tom理解成是其中之一，但是我的意思不是其中之一，而是表示描述Tom是个什么样的boy】当然 Tom is the...

问题 本句中的both是做什么成分？

President Alexander Lukashenko of Belarus is seeking a sixth term in office in an election he is both tipped to win but which is also likely to be his toug...

问题 如何理解from livestock in fishing ？ 这里用from...in...如何理解？

VOA 《Turning Straw to Fuel to Save Senegal's Forests》The initiative is diversifying the economy of a rual region where many eke out a living from livestock in fishing.如何理解from livestock in fishing ？ 这里用from...in...如何理解？

问题 辞书质疑(20)：对《牛津英语用法指南》一处用法分类的质疑

在 Swan 的 PEU 第三版的第16节有如下内容：我觉得文中提到的两个“不同种类”似有不妥，好像前面一个“不同种类”应该归入到后面一个“不同种类”才对，即下面三句的用法应该放在一起更理解：hot and cold drinks (= hot drinks and ...

问题 两个读音分别以元音和辅音开头的并列名词前如何用不定冠词

...，可以共用一个吗？还是一定要分别用冠词？比如，说 an orange and apple 应该没问题；如果说 a pear and orange 可以吗？还是一定要说 a pear and an orange?

问题 现在分词的一般式与完成式的区别（thinking与having thought）

__________the work is difficult, many people doubt if he can finish it on time.A. Having thought    B. Thinking正确答案是B, 请问老师这里难道不能用A吗？为什么？

问题 ...until he was 39, when he moved to请问when是什么从句

He worked as a photographer until he was 39, when he moved to Hong Kong in what he called the throes of a midlife crisis.

问题 过去时态用法的疑问

As I mentioned before, maybe culturally China was quite differently from the experience that I had before. But China as you may know, has a closer relationship with South Africa. So coming here first and foremost I found that the relation between my country and China were very close and very active,...