找到约 60000 条结果

问题 过去完成时VS一般过去时

China had planned this week to dismantle some of the rescue measures put in place when the stock market crashed last summer.请问：句中的 had planned 是否要改为 planned？crashed 是否要改为 had crashed？因为 this week 是时间要比 last summer 晚。

问题 through the night 的用法

I often awoke and found myself sitting up in bed through the night.through 是穿过意思，这句中是不是表示我总是醒的动作发生于夜晚从头到尾的时间段内，整晚。

问题 难句分析与翻译

By fighting with the forces of nature for thousands of years, humams have achieved more than was ever thought possible.怎么翻译，句子结构是怎样的？

问题 satisfaction of (for) doing sth中用介词of与for的区别

这两句话中的介词 of 和 for 的区别是什么？They say that the satisfaction for learning to play a new song helps a child express creativity.They say that the satisfaction of learning to play a new song helps a child express creativity.

问题 物质名词什么时候表示‘一份 一杯 一种’的含义

...加不定冠词或者数词表示‘份，杯，种’的概念。那么 I had a breakfast为什么是错误的用法，把breakfast理解成物质名词加a表示一份早餐，翻译成我吃了份早餐也行得通啊，请问是不是只有部分的物质名词才有加不定冠词表示‘份...

问题 动词need在否定迁移中如何与后面成分搭配

老师您好：有这样一道选择题：I don’t think he ______ a new bike.   A. need to buy      B. needs buy     C. need     D. need buy 答案是A，但是我认为C和D也可以，请求解析一下！ 

文章 高中英语新教材-词汇教学参考资料-aback

...ack /ə'bæk/ adv.【主要词义】向后地，后退【常用短语】▲take sb aback 使某人大吃一惊：Your request took me aback. 你的要求使我大吃一惊。The news really took us aback.  这消息着实令我们吃了一惊。The news of the election defeat took the government a...

问题 “when+过去分词”的用法

如何正确题解when后的接过去分词(done)的用法？它只能是 when sb (sth) is (was) done的省略吗？换句话说，它必须是被动语态的省略（省略主语和助动词is, was），它有可能是完成时态的省略形式吗？

问题 a mass of...作主语时的主谓一致问题

A mass of people ______ gathering in front of the factory.A. was    B. werea mass of...作主语时谓语动词是用单数还是复数？

问题 be done doing sth的用法

I am done trying, 请问done的使用？为什么不是 I have done trying?

问题 a historian of science是什么意思

For the past five years, Paula Smith, a historian of science, has devoted herself to re-creating long-forgotten techniques. 请问本句中的a historian of science是什么意思？

问题 挺奇怪的句子结构，是省略句还是什么？

I have to admit,part of me wanted to say no.这句话的句子结构成分怎么划分呢？请教老师，谢谢

问题 不定式为什么没有to

I never know him do such a thing.这个句子中的动词do为什么没有to？

问题 如何判断一个句子是虚拟条件句和还是推测条件句

...中例举了这样两个例子：与将来事实相反的虚拟条件句：If it were to snow tomorrow, I should (would) stay at home.推测条件句：If I were to see him, I would speak to him about it.疑问：我就分不清这两句哪个是虚拟条件句，哪个是推测条件句，感觉这...

问题 where引导的是什么从句

...rk词条，有：a : to indicate (a location, such as a location on a map) with a mark or symbol   X marks the spot where the suspect was last seen. 根据上面的解释和例句，似乎可以这样：1a. X marks the spot where the suspect was last seen.1b.X marks the spot on the ma...