找到约 40000 条结果

问题 语序问题

老外发来一句I can investigate in our lab the level of cross-reactivity，总感觉好别扭，是不是应该; I can investigate the level of cross-reactivity in our lab。哪个对

问题 along可以吗？

A poor man found the purse near a shop ________ the way home.这里答案是on.老师，along可以吗？

问题 句法问题

In one sense ， I was the archetype  of the ghetto child who through hard work and initiative was pulling himself toward a better life.想请问一下 第二个was是什么意思？ 是多余的吗

问题 what的作用

语法填空，主要是原因，句子分析以及what的作用:You can't imagine what difficulty the freshmen had ____ (consult) the French dictionary.

问题 问将来天气的说法

问明天天气，经常见到的是：What will the weather be like?是否可以说：How will the weather be? 

问题 主谓一致疑问

The glass were kept hot enough.主语the glass，查了一下字典，glass是不可数名词。谓语为什么用were.记得之前学的是主语不可数名词，谓语要用单数，才能主谓一致?

问题 这里为啥不能用opened

He left the door open.为啥不是He left the door opened.

问题 both的指代问题（both books是指两本书一共还是两本书分别）

问两个简单的问题：1. Both books cost me twenty dollars.    是指买两本书一共花费了20元，还是两本书各花了20元？2. The Yangtze River is China's longest river.      也可以说The Yangtze River is the longest river of China吗？

问题 take（花费）可用哪些成分作主语

take表示“花费”时，通常用于it takes sb some time to do sth，请问take除用于这个句式外，还可用于哪些句式，可用哪些成分作主语？

问题 句子成分划分（这是省略句吗）

Expect today to be partly sunny and partly cloudy.请帮忙划分一下句子成分，并作一个简要的说明，谢谢。

问题 现在分词 missing 的用法疑问

They begun to restrict and banned ocean-going voyages, thus missing out on an important opportunity for development.这里的missing为什么要用分词形式呢？

问题 as...as...结构的理解

Cafes are everywhere these days, offering as many varieties of coffee as there are ways to have it served.这句话怎么理解？这里的as...as...怎么理解?

问题 状态即将改变应该用什么时态

请教老师在状态即将改变的临界点应该用什么时态，比如一个小球滚到桌子的边缘，应该说 It is falling.还是 It will be falling.还是 It is going to fall.

问题 谓语动词时态不一致

Governments are spending rapidly to get economies back on track, provide emergency support and procure medical supplies.老师您好，请问这里的三句话，第一个谓语动词spending是进行时，为什么后面provide 和 procure是一般现在时了。前后不一致啊。

问题 人称代词的数

This blue one is OK for her. What about me?This pair of trousers looks nice. I want to buy it.这是某地市七年级期末试题中的最后一句话，但是，我觉得后句末尾的代词it应该用them更合乎逻辑。盼专家老师解惑，十分感谢。