找到约 30000 条结果

问题 to的省略

No visitors and staff can enter the meeting room unless he is invited (to). 请问，句末的这个to要加吗？还是可加可不加？为什么？

问题 more是和什么并列

It is hard at work sorting memories, cleansing itself of wastes and more.

问题 主语补足语

1. He went to work sick, and despite nasty weather. 2. He couldn’t stand unaided on the soft sand. 请教老师，sick 和unaided 都是形容词做主语补足语吗？感谢。

问题 organization后接定语从句用什么关系词

请问：当先行词是organization时，名词organization后面接的定语从句用什么关系词来引导？是用that, when还是where？请老师各举几个例句，谢谢！

问题 race后接定语从句用什么关系词

如果先行词是race时，先行词race后面接的定语从句用什么关系词来引导？是用that, when还是where？请老师各举几个例句，谢谢！

问题 这是非谓语的虚拟用法吗

It is time that the children were in bed.=It is time for the children to be in bed.上文第二句是虚拟吗？因为两句相等，同时第一句还是虚拟，所以第二句会不会也是虚拟。谢谢回答。

问题 Good tip 是什么意思

下面这句话中Good tip是什么意思？整个句子如何翻译？"Good tip," said Miss Potter, "That's helpful information to keep in mind. Also, why should we stay together in the school hall?"

问题 No surprise 的句子成分分析

We therefore remark at this stage that the failure of this theory of moisture transfer should occasion no surprise请问，这句话中的 no surprise 是什么成分？

问题 support an idea current翻译疑问

They believe the datesupport an idea current among marinebiologists, that of the “shifting baseline”.红色部分要如何理解？激起思想潮流 还是 支持当前的想法？

问题 to do还是to doing

It shows that there may be an inherited element to writing good fiction1.不定式里为什么是 writing 而不是write? 2.这块里面是 sthing 还是 doing

问题 句子结构分析

...eeded是状语从句。但是anywhere和it之间为什么不需要连接词that？

问题 句子成分理解

Curbs on business-method claim would be a dramatic about-face because eitwas the Federal Circu itself that introduced such paten with its 1998 decision in the so- called State Street Bank case, approving a patent on a way of pooling mutual-fund assets.最后一句approving作什么成分?

问题 定语从句修饰的成分是什么

老师好！Glaciers are very large areas of ice that _____ (move) slowly. 这个句子中，定语从句可以理解为修饰ice吗？朗文词典对glacier的解释：a large mass of ice which moves slowly down a mountain valley。

问题 两个过去完成时可以在同一个句子中使用吗？

...题）1）Half an hour has gone by, but the last bus hasn’t come yet. We have to walk home. 2）Half an hour went by, but the last bus didn’t come. We had to walk home. 3）Half an hour went by, but the last bus hasn’t come yet. We had to walk home. 

问题 为什么微生物不用冠词（microorganism）而放线菌用冠词（the actinomycetes

...ally the actinomycetes, produce a variety of antibiotics.As a result, they have been studied very extensively, especially by industrial research laboratories. (A Course in Basic Scientific English, P107)微生物，特别是放线菌，产生多种抗生素。 因而受到广泛的研究，尤其是...