1.It was his first visit to his friend's house.2.It is her first time to take part in the school club activity.3.It is our duty to clean the room.(1)和(2)句型类似,为什么(1)的to短语作后置定语,而(2)的to不定式却是状语?又如(1)和(3),这些It开头的句子,怎么分辨to...
...ort of herbs they were, which the old man was so sedulous to gather. Would not
the earth, quickened to an evil purpose by the sympathy of his eye, greet him
with poisonous shrubs, of species hitherto unknown, that would start up under
his fingers? 她不晓得那老人如此勤快地采集的是...
To me, the movie notonly presents an unforgettable scene but also acts as a timeless reminder that we should not develop the tourist industry at the cost of our eco-enviornment.我的问题是：这里的 that 是什么用法呢，难道是定语从句么，that 状语，感觉行不通啊，为什...
It was not until man had learned how to make iron and steel that the constructionof various machines _ possible.A.were madeB.had madeC.madeD.was made请老师帮我仔细划分句子成分再逐一给四个选项解答，最后在详细说明not until的用法，谢谢。
How come nothing has feathers anymore that does not fly, or isn’t descended from something that did? Darwin's theory can't explain it!句中：nothing has feathers anymore that does not fly, or isn’t descended from something that did?语法角度来说，是一个完整的句子，how come在...
A fee should be charged on used
containers for recycling.我翻译成：应该为了循环利用在使用过的容器上收取费用我认为on used containers 和for
recycling.都是状语修饰charge故这样翻译我看了翻译软件是这么翻译：使用过的容器循环再造，须收取费...
Thisis why repeated attempts at reform legislation have failed in recent years, leaving the Postal Service unable to pay its bills except by deferring vital modernization.请问老师，这个except by如何理解？除了通过推迟现代化，邮政服务不能支付它的账单。
We have received your order and would like to express our appreciation for your business. However, some of the components you selected are out of stock at the moment. _______, your order has been placed on hold, and will be shipped as soon as we are in possession of the CPU chip.(A) Additionally&nbs...
On the other hand, depending on the binder of the mortar, the effect of fibre additionon the water absorption values differed.在这句话中我没有找到完整的主谓宾或主系表结构，这是不对的吧，请老师解答这是什么用法呢，(这句话中water absorption values是专...
the plentiful supply of food thrown overboard by the crews on the rigs.
1.这句话为什么可以省略food和thrown 之间的was，后置定语修饰前面的名词可以不要was的吗，动名词和不要be动词的光过去分词都可以这样用的吗，只是一个主动和被动
2. the pl...
...ay a friend of mine from the East wrote me a letter.Many sketches are in existence of peasants seated by the roadside and men and women at work in the fields.An element is a substance that cannot be broken down into simpler substance by ordinary chemical means.老师，介词短语，非谓语...
... your grades nor you health.1. 不可不以改成: Studying all night will not be good for your grades and you health.2. 原文读起来感觉别扭，will be good for + not, 这样读起来感觉不畅快。英文中有没有其他句子类似这种表达，前面谓语是肯定，后面...