He made another wonderful discovery, ___A___ of great importance to science.A. which I think is B. which I think it isC. which I think it D. I think which is
Each couple's style of
communication changed very little from that initial videotaped contentious
exchange.1.very little后是省略了中心名词还是本身就是可以指代某些事物？他是状语还是宾语，里面的very和little分别是什么词性表明修饰关系，为什么？2.fro...
在一个练习册上看到一道题What do you think of families? Why? 答案内容包括：I think families are very important to everyone.
Because they are our beloved people, such as our parents, brothers or
sisters.....根据答案可知families这里指的是家人，但我记得family指家...
我见到的一个句子是：
The teacher stepped in and then closed the door behind him. 老师走进来，随手关上了门。
句中用的是 close the door behind the door，但老师说这样用的 behind 不能换成 after。请问是这样吗？如果不能换，仅仅是因为惯用...
... they also created their own. If ever there was a sign that football is taking off in America, this is it, says Mr Goldblatt.网上译文：戈德布拉特将这个球队的粉丝比作意大利狂热的足球支持者，他们尽管带有很多欧洲足球文化的传统，但也形成了自己的...
Having been told that some guests were coming, she stopped all morning
in that supermarket. 这句话中为什么是用having been told?when asked the reason for their success，the kids had two
explanation. 这两句话很像，但是第二句就用的是asked，同样都是主句为过去，从句...
...是我在 新概念 2 lesson 49 中看到的一句话：
A gust of wind swept the bed off the roof and sent it crashing into the courtyard below.
crashing into the courtyard below 说是宾语补足语，能分析一下吗？
像 see sb doing 是看见某人在做某事，那一阵...
I didn't believe I could do it___I got to the top of Mount Tai.A until B unlessA答案正确，但是B答案错误的充分理由？另，题干中的could是否应该改为was able to，因为这是过去特定的‘能’，与具体事件有关。盼专家老师详尽权威解答...
The use
of fiber cloth ensured that the heat generated by the composite material
can be transferred to the road surface.宾语从句后的句子若表示科学原理、客观真理、、现阶段存在的客观事实、自然现象等，不论主句用何种时态，从句一律用一般现...
A turbulent business environment also has senior managers cautious of letting vague pronouncements cloud their reputations .我知道 have sb done ,have sth done，make sb adj,却没怎么见过have sb adj，请问老师这个结构对吗？