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问题 介词后引导宾语从句时用how与whether的区别

We have to face the question of _____ they have found our secret. 给出的答案是填 how，但是我觉得这里填 whether 好像也讲得通。像这样没有明确上下文的名词性从句的题目是不是答案都不唯一？万分感谢！

问题 thus audience expectations, very high的分析

...said Raymond Zhou, an independent critic, who noted that Hollywood had set the technological standards, and thus audience expectations, very high. 这里的 thus audience expectations, very high怎么理解是简略省略了be动词are吗，thus这里是副词表递进？

问题 to do还是to have done

... after doctors completed a 20-hour operation _______ one-year-old twins at the head.A. to separate B. to have separated  老师，您好。此题究竟选A还是选B，我一直困惑不解。有人说只可以选A，有人说必须是B。您的看法是什么呢？为什么？ 

问题 no more ...than的用法

They did no more to make themselves feel at home than the early American settlers who christened Little Rock and Salt Lack City. 书上翻译是他们的做法就如同早期到美国的殖民者为小岩城和盐湖城命名那样，让这两个地方听起来更为熟悉。 这就话为什...

问题 句子理解问题（is what it always is with women.)

She has her faults, and the greatest of them is what it always is with women.老师好，请问and后面的句子想要表达什么？

问题 may可以表达理论上的可能性吗

...中一条解释是一样的。例句为Up to five inches of snow may cover the mountains.我理解这个“ 有时或某些情况下属实”属于“理论上的可能性”， 请问对吗？谢谢。

问题 have sth done还是have done sth

Mrs.Brown was much disappointed to see the washing machine she had ______ went wrong again.答案是repaired，为什么不能用it repaired呢?我的想法是这台洗衣机不是Mrs.Brown自己修的，而是她请人修的，所以填了had it repaired。

问题 当并列主语既包括过去又包括现在时谓语动词用什么时态

Both the ancient and modern Olympics____ held every four years.谓语动词用are吗？当主语既有发生在过去的事又有发生在现在的事时，谓语动词用什么时态呢？

问题 可以what+名词引导名词性从句吗

The scientists have absolute freedom as to what research they think is best to pursue.请问老师，这里的what是不是做名词性从句中pursue的宾语，还是把what research看作一个整体当名词性从句中is的主语（但是这样分析怪怪的，可以what+名词引导名词性...

问题 be good for doing 与 be good to do

This is because the juice from tomatoes is really good for making surfaces clean.请问句中的 for making 可以换成 to make 吗？

问题 句子结构分析

From children's names,it can be inferred what kind of people the parents want their children to be or what kind of life they expect their children to live译为：从孩子的名字可以推断出父母希望孩子成为什么样的人，或者期望他们过怎么样的生活。做四级翻译时...

问题 set an example to/for（介词区别）

They're also setting a great example for others about how to make the best o a bad situaiton.句子摘自北师大高中英语必修第三册第8单元(p43)。请问句中的介词 for 能换成 to 吗？若可以，set an example for 与 set an example to 有区别吗？

问题 为什么不能说：A horse is a useful animal.

为什么可以说：正：The horse is a useful animal.正：Horses are useful animals.却不能说：误：A horse is a useful animal. 

问题 as it were 与 as it was 的用法区别

Spring is here.The ground is covered, ______, with a green carpet. (as it were / as it was) 请问该填哪个？如何解释？如何翻译？谢谢！ 

问题 compared with last year的比较对象问题

下面这个句子有问题吗？The company hasn’t much to crow about, with sales down compared with last year. 公司的销售额比去年下降了，没有什么可夸耀的。我觉得句子中的 last year 应该用所有格 last year’s，因为是指 last year’s sales（可以看作是...