找到约 8591 条结果

问题 逗号后的成分与用法？

Finally, on 11 October 1982, millions of people around the world held their breath as the timber skeleton of the Mary Rose was lifted clear of the water, ready to be returned home to Portsmouth.这个句子中，逗号+adj+to do是什么用法，作什么成分？

问题 on proof of是固定搭配吗

The cheque will be cashed on proof of identity. 这张支票凭身分证件兑现。 请问句中的 on proof of 是固定搭配吗？它是“凭借”的意思吗？我怎么在词典上查不到啊！

问题 动词hide与主语是被动关系吗

Hidden behind a tree, the boy could not be found.这个句子是过去时吗？分词部分不能确定时态，could 和 can 都能用在现在时，请问老师这种情况怎么判断时态？Boy 应该是自己藏起来的呀，怎么用过去分词呢？

问题 to不定式的一个疑问

请专家看此句：The news reporter hurried to the airport, only to be told the film star had left.【参考译文】这位新闻记者匆忙赶到机场，结果被告知电明星已经走了。【我的疑问】后半句不定式的用法我看不懂，烦请专家解释一下，谢谢！

问题 sand的复数形式用法

Once the sands have run out of a person's hourglass, they cannot be replaced. 1. sand 作沙子时是不可数名词，但是这句的意思是沙子从沙漏计时器中跑走了，怎么用了-s复数形式。我看算了网上有的说法是强调一粒粒沙子，是这样么?2. sands ...

问题 过去将来完成时的用法

After the first man landed on the moon in 1969 , The scientists thought hotels would ___on the moon by the year 2000 请问这里应该填什么？ a, Would have been built b, Would be built 这里后边儿用了by ，是不是更应该用，过去将来完成时。

问题 to do 的相关疑惑

If there is a lot of work __________, I’m happy to just keep on until it is finished. A. to do ​B. to be doing ​C. done ​D. doing 这里是动宾关系，为什么却用主动形式to do呢？

问题 to no avail的用法

His efforts were to no avail. He ordered that buildings be torn down, to no avail. 这两处的to no avail 用法是什么？to no avail 不是副词词组吗？为什么可以用在were后面？那第二处又是什么用法呢？

问题 with复合结构用法疑问

...tivation of plant cells and tissues, with haploid breeding and application being at advanced world levels.第二个with错误吗？

问题 while so that怎么理解

Customers can hold their bowls at the other end of the pipe while so that they can receive the milk being poured by the milkman into it without any interaction between the two.这里while so that怎么理解？

问题 所有格的问题

...s, forest, livestock, and other resources every year.By the 2030s, we will be using more than two Earths worth of resouces every year. 专家老师，句子里的红色字体Earth应该用所有格才是吧？也就是在Earths后加一’。请专家老师指导，十分感谢。

问题 动名词短语后的系动词

Staying in small motels aren't as comfortable as being at home.老师好，教材上面用的是aren't. 但是动名词短语staying in small motels作为一个整体是单数，后面为何不用isn't ? 谢谢老师。

问题 名词作补语或状语

If he had fought in the First World War, he might have returned ( ). A.a different man B.with a different man C.as a different man D.to be a different man直觉告诉我，选A更合适，可是答案是C。

问题 who should...是虚拟语气吗

He would be a rash man, who should venture to forecast the results of this event.书上说这里的who should...相当于if he should...意思，表示条件。那么，是否意味着这句话是虚拟语气呢？ 即, if he should venture to...

问题 语法结构(涉及as, that)

There must be few questions on which responsible opinion is so utterly divided a s on that of how much sleep we ought to have. 老师，请帮我分析一下语法结构，后面那个定语从句没看明白，as是干嘛用的，that指的是什么。帮我划分详细一点，谢谢