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问题 and连接的词语

比如and连接两个或者多个动词（都是动词），形容词（都是形容词），名词（都是名词）等等。A , B ,C and D。 ABCD 词性都应该一致。像 less cost of purchasing catalyst and more economically efficient.  and前后连接词性不一致，应该是错误的...

问题 on being introduced to each other 如何分析和理解

On being introduced to each other, men should shake hands. 这句话如何理解，和划分句子结构。主要是是 On being introduced to each other，该如何分析和理解？谢谢！

问题 on one’s arrival与on one’s arriving

On our ______ (arrive) we were told that our rooms had not been reserved.答案是 arrival。请问可以填 arriving吗？

问题 be in no doubt 后面的 what 从句同位语吗

You should by now be in no doubt what it is.请问：句中的 what it is 从句是同位语从句吗？谢谢专家！

问题 用过去完成时还是用过去时

He said her grandmother _______________(teach) him to read potery before reaching the age of three.很明显，said发生在过去，句子里面的teach发生在said的过去用过去完成时，所以填 had taught为什么答案给的是 taught，他的理由也很奇怪，“他说他奶奶三...

问题 once和when引导从句时的区分

1. Once I think about going back to school, I feel depressed.2. When I think about going back to school, I feel depressed.我觉得两个句子都可以用，第一个的意思是 一旦想起要回到学校，我就感到焦虑。第二个：当我想到我要回到学校，我就感...

问题 some of 后面可以接单数可数名词吗

我知道：some of 后面可以接复数名词或不可数名词。如：some of the bookssome of the money请问：some of 后面可以接单数可数名词吗？比如：some of the book 这本书的一部分some of the story 这个故事的一部分some of the tree 这棵树的一部分some of t...

问题 fly out of the nursery window可以省略 of 吗

Tinker Bell fly out of the nursery window into the night sky.老师，fly out都有飞出外面的意思；为什么还要of呢？

问题 选择题中时态和语态相关问题疑惑

By the end of this month, we surely _____ a good solution to the problem. A. have found     B. will been found    C. will be found   D. are finding 这题选择B，不明白为什么有个被动在里面，我们主动寻找，还有D选项，可以表将来吗？...

问题 one's face fell 还是 one's face drops

Her face _______ when I told her the Bad news.A. fell   B. dropped 请问如何选择？

问题 enter作为“报名参加”时和 enter for 有什么区别

我查阅了牛津词典，上面有这样的例句：“1000 children entered the competition.”但新概念里是这么说的：“Every year I enter for the garden competition.”是不是可以认为，competition前使用enter/enter for都是正确的？那么对于examination，championship...

问题 which非限制性定语从句时可以修饰名词吗？

When music videos and satellite television offer daunting competition for poems, which demand a good deal of attention.这里的demand为什么不是demands， 照理说which指代前面的句子，后面应该谓语单数。这里which是指poems吗? 但是有逗号的话不是指前面的整个句...

问题 we as a nation say是什么成分

Years of research shows that arts education is closely linked to almost everything that we as a nation say we want for our children and demand from our school. 没有we as a nation say我还能理解，加上我就不明白了。

问题 line buddy 和 line up with 是什么意思

下面这句话如何翻译？“line buddy"是什么意思？line up with是什么意思?"Right!" said Miss Potter,"Remember, your line buddy is the friend you line up with. What is another rule,Julia?"

问题 有些句子是否用现在完成时和一般将来时都可以

The WTO adds that that amount will have increased / will increase to 66 percent by 2025.语法书上说 by+将来的时间要用将来完成时，所以将来完成时是不是对的?是不是用将来时也可以?