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问题 a large part of…可以省略冠词吗

(A) Large part of our income goes on animal feed.上面句子中的不定冠词可以省略吗？

问题 see用于进行时态且连用时间段状语

They'd been seeing each other on the sly for months.请问这个句子有问题吗？see 不仅用于进行时态，而且还连用时间段状语。

问题 这句话的through 可以放在 runs后吗

...p of a tree that grows in South America and the East Indies. how is it got from the tree? holes are made of bank, through which the sap runs into clay cups or shells placed ready to receive it.                            &nbs...

问题 请问一下老师这段的句子成分语法分析

...rode is.Surface electrodes, other than needle electrodes, vary in diameter from 0.3to 5cm, with most being in the 1 cm range. Human skin tends to have a very high impedance compared with other voltage sources. In any event, one must treat surface electrodes as a very high impedance voltage source- a...

问题 several hundred miles与several hundreds of miles的对错

He was out with the truck collecting supplies from a town ____ miles aways.A. several hundred                  B. several hundreds ofC. five hundreds           ...

问题 为什么前面是逗号后面还能跟谓语动词

...ic activity, in a deal many in Asia are hoping will help hasten a recovery from the shocks of the pandemic. 中国与其他14个国家一致同意建立世界上规模最大的贸易组织，囊括全球近三分之一的经济活动，亚洲许多人士希望这一协议将有助于加速地区经...

问题 表示“在手腕上”用什么介词

The patients in the hospital usually have a name band _______ their wrists.A. by      B. for        C. with        D. on 请问如何选择？表示“在手腕上”用什么介词？

问题 一道时态选择题

—When ____ the next train leave for Boston,please?—Usually at 13:15 but because of a small accident on the line,it ____ at 13:45.A.dose; is going to start B.will; startsC.will; is to start D.dose; will start第一个空和第二个空问什么？谢谢！！

问题 过去分词的主语与被动用法

Though _____(suffer) such a heavy loss, the boss didn’t lose the courage to go on with his business.答案是 having suffered过去分词不是表示被动么，主语是 boss 是人，为什么还用过去分词 不用 suffering 呢?另外 还加了个 having 是什么意思呢?

问题 句子成分分析

On the way to the station, he  chatted about their trip.状                                        s       v              状这样划分时...

问题 be fixed to 的用法

Once on the boat, they were taken below and their chains were fixed to two bars that ran the lenght of the ship.句中，were fixed to two bars中为什么用介词to呢？如何理解这里的to?

问题 关于would 的用法的疑惑

...rict discipline is sometimes important,but it would have an adverse impact on children’s problem-solving abilities. 这个句子中的为什么要使用would呢？如果去掉或者换成别的情态动词可不可以呢？ would除了表示will的过去式，表示意愿之外还有别的用法...

问题 听力对话中的句子

So only on rare occasions when it's absolutely important to use the word "no".But the etiher-or, or when-then choices. when you've done these order things.老师，这两句话是都没有主语吗？这是听力的对话中的两句话，是什么用法？

问题 长难句分析

The second tack of their argument is to compare the sort of effect seen in biology-based models of where malaria might spread with both models of and data on the effects direct intervention against the disease can have.麻烦老师帮忙分析一下句子，特别是这里面的of where, of加在这...

问题 as useful 用法

...a thicker, stiffer hose that was difficult to manipulate, Mary relied more on her trunk. For the purpose of showering Ms. Kaufmann said, Mary seemed to understand that the bigger, heavier hose was "just not as useful."这句话最后的as useful是不是有省略？这里的just什么意思？