找到约 60000 条结果

问题 his hands crossed under his head分析

He was lying on the grass, his hands crossed under his head(=and his hands were crossed under his head).他躺在草地上，将两手交叉枕在脑后。不理解为什么是his hands crossed 呢？为什么是被动关系？不应该是主动关系his hands corssing...吗？

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 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 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 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 unless语法结构分析（unless steps taken to ease inflation）

IMF chief warns there will be 'people on the street' globally unless steps taken to ease inflation.请问这句话是的语法结构是什么？

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 way与method的用法区别

请老师分析一下 way 与 method 的用法区别，尤其是当后边接 of  的时候的区别。谢谢！

问题 成分分析

At that time, a gallon of gasoline cost 18￠, which today would be close to ＄4——exactly where some experts think we might be headed.请问老师：此处的be headed 是be headed for吗？如果是为什么要省略for？where作什么成分？（等于for which吗？还是作名词？）

问题 convincing 还是 convinced

Millions of people rushed to California, ________ that they would find gold and become rich.A convincing   B convinced请问这里为什么用被动ed?

问题 有关must的用法问题

Families must be made aware of field trips and give permission for their children to participate.请问这里的 be 可以去掉，然后把 made 改成 make 吗？

问题 team chemistry for playoff

team chemistry for playoff 请问for playoff 是后置定语吗？为什么是for而不是of？

问题 长难句分析

There's a kind of false precision being hawked by people claiming they are doing ancestry testing.这句话该如何分析呢？claiming作什么成分？如果是定语为什么后置？they are doing ancestry testing.又是什么成分？