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问题 work hard at和on的区别

...ing so hard on trade and the economy, has just suffered a heart attack. He is now in Walter Reed Medical  Center.这是特朗普最新的推特，译文是：我们伟大的拉里·库德洛，一直在贸易和经济方面工作努力工作，他刚刚突发心脏病，目前在沃尔特里德...

问题 标点和句子成分的问题

...are compiled, one thing has become clear: American cities saw the biggest rise in homicides in decades, currently estimated at 30% in a single year.请问老师：该怎么理解破折号和冒号的句法作用？然后nearly three times as many victims as in all of Italy前是省略了which is吗...

问题 名词＋v.ing 带连字符的和不带连字符的区别

请问一下亲爱的老师， productivity-improving technology 和 The technology is productivity improving.   名词＋v.ing 带连字符的和不带连字符有什么区别呢？

问题 求分析一个句子，after后面不能用过去时的动词吗？

...said sorry and helped him ____2___(look)for his watch , at last they found it under a chair.我1写的是heard，2是looking答案是1 hearing,  2 look我有点不明白了，想表达“听完以后”用after+Ved不对吗？还有后半句的帮他找手表，不应该用helped him looking fo...

问题 如何正确理解one's twin brother的意思

...”是双胞胎之一吗？再具体一点吧，比如这个句子：Tom is my twin brother. 汤姆是我的双胞胎兄弟。这句话的意思是指“我和汤姆是一对双胞胎”呢？还是指“我和汤姆不是一对双胞胎”呢？类似的当然还有：one’s twin sister。

问题 Which指代的the natural sounds在定语从句中担当什么成分

The suggestion is that primitive words could have been imitations of the natural sounds which early men and women hear around them. 总觉得怪怪的，为什么还要个them呢，感觉which就可以指代了？？请教老师谢谢!

问题 ​使役动词 have + wear out 存疑

我在一本练习册上看到这样一句话：Mr. Wang had his shoes worn out.按理解 have sth done 表示“让别人(为自己)做某事”如： 1. Mr. Wang had his hair waved.         2. Mr. Wang had his eyes tested.难道这句话的意思是Mr. Wang叫别人...

问题 英语中的倍数表达以及理解问题

...一句 There's A n times as many as B= There's A (which is) n times as many as B.请问老师，第二句和第三句如何解析？

问题 请教老师插入短语的意思

The assertion is that scenography extends and enriches audience experience of performance through images which operate in conjunction with , but in different ways from, other aspects of the stage.对于红色部分的理解是：images which operate in conjunction with other aspects of the...

问题 What引导的宾语从句

The greatest pleasure in life is doing what people say you cannot do.1.doing这里现在分词吗，感觉不像是现在进行时啊，还是动名词？2.这里what people say you can not do是what引导的宾从实际上就是 people say you can not do what，what做宾语但是people say you c...

问题 Tie each end of the leaf closed 中的 closed 是补语吗

Tie each end of the leaf closed. 中的closed是补语么？the leaf is closed 还是形容词做伴随状语呢？

问题 a few doors down的理解和“逗号加现在分词”的理解

请问专家：问题一：I was just a few doors down getting some help in the computer lab.请问a few doors down如何理解，down的词性是什么，我感觉这里是地点状语，但是落实到具体就不能理解了。问题二：Each room had a large wall that could fit a couple of big ...

问题 定冠词的有无以及of和 for的精确选用

Competition for these jobs is very severe—we have five times as many applicants as we did last year. 中文原句：谋求这些职位的竞争很激烈，今年的求职者是去年的五倍。1. 此句competition 前面为何不需要定冠词 the？2. Competition for： 介词 for 表示...

问题 most famous 前面为什么不用定冠词

...The Grapes of Wrath,a novel about the Depression years of the 1930's,is one of John Steinbeck's_____ books. A.most famous B.the most famous C.are most famous D.and most famous

问题 不定冠词"a"可以修饰不可数名词和名词复数吗？

A culture's youth is blissfully ignorant of a culture's realities.请问“youth”为不可数名词，"realities"为名词复数，它们前面怎么可以用不定冠词"a"修饰？