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问题 现在分词前用不用逗号的区别

They came into the classroom, surrounding their teacher.He saw a man coming towards him.老师您好：这两句话我有两处疑问。① 为什么一个加逗号，一个不加呢？② 这两句的非谓语：surrounding their teacher 以及 coming towards him  动词用ing形式到底...

问题 trouble前为什么不加冠词the

Right from the start there was trouble with the Hubble. 是不是因为trouble是不可数名词，所以这里用单数谓语was? 是不是因为trouble是不可数名词，所以这里不可用冠词a, 也不能用复数troubles?但trouble前为什么不加冠词the？

问题 分词独立主格和with复合结构的区别

We could see that the larger of the Brothers (an island) rose sheer out of the sea,____ some two hundred feet high.A.the cliffs wereB.being the cliffsC.with the cliffsD.the cliffs being这里为什么不选C而选D呢？

问题 表示职位的名词前面加不加介词的问题

A supporter of Julius Caesar, he was appointed one of the triumvirate after Caesar's murder.通常我们都知道sb be appointed as ...为什么这里as省略了呢？

问题 something 在否定句是变成 not anything 还是 nothing

He is something of a master在疑问句中可以something变成anything，那在否定句中呢？是用nothing还是anything呢？

问题 coldness 和warmth的涵义

The form of a fold in linen or cotton shows us the resilience or dryness of the fibre, the coldness or warmth of the material ... 亚麻布或棉布的折痕向我们展示了纤维的弹性或干燥性，这种材料寒冷或温暖的状态...想请教老师的是：这句话的coldness和warm...

问题 此时的to do 可以用 to be done吗?

He has a lot of work to do this evening.这是的定语to do ,能写作 to be done吗?

问题 former和was/is的使用搭配疑问？

Mike is a teacher now, but he is/was former worker.要说他以前是工人，如果有了“former以前的”，是否可以不用was，而用is呢？ 如果没有former,当然要用was.但是因为已经有了former表明是以前，还需要用was吗？是否可以用is呢？

问题 be dressed in 是否有 be wearing 的含义

她正穿着一件粉色的连衣裙。She is wearing a pink dress.在这里可否用 be dressed in 代替 is wearing表示正穿着？请老师帮忙解答，谢谢！

问题 whether to be hopeful... 这里是否可以省略

曾看到这样一句话：The principal’s inbox has been flooded with emails from students wondering whether to be hopeful about a new teacher. whether to be hopeful... whether后是否有省略，可不可以这样用呢？

问题 at the age of...作什么句子成分

He was elected as a member of the Baseball Hall of Fame at the age of 26.请问这个句子如何进行语法分析？尤其是这里的 at the age of 26 是什么成分？

问题 介词短语作状语的翻译问题

老师您好。在以下例句中：National spending on social sciences and the humanities as a percentage of all research and development funds varied from around 4% to 25%.其中from around 4% to 25%是修饰varied的状语，状语在修饰谓语动词时都要翻译在动词前面吗，还有...

问题 Year One football match是什么意思

A: Did you participate in the sports meeting? B: Yes, I did. I took part in the Year One football match. 这是译林版高中英语新教材必修二第4单元的一个句子(p66)。请问句中的 Year One football match是什么意思?

问题 这句话中what引导的是什么从句

He says that more openness in science could help to discourage what some perceive as a common practice of shutting out early-career scientists' requests for data.请问这里what 引导的是什么从句？

问题 convention, routine, ritual, practice(惯例)的区别

convention、routine、ritual、practice在表示“惯例”时有什么区别？表达“惯例”含义时是否可以随意替换？按惯例可以这样说吗？by convention/routine/ritual/practice日常惯例可以这样说吗？daily convention/routine/ritual/practice？使之成为惯例可...