问题 句子改错

New data from United States Forest Service ecologists show that for every dollar spent on controlled smallscale burning, forest thinning, and the trainning of firemanagement personnel saves seven dollars  on having to extinguish. 这句错在哪里，麻烦老师解答

问题 be surprised that是什么从句

请问 be surprised that 中的 that 是引导什么从句？比如： I’m surprised that he feels like that. 我奇怪他会有这种感觉。 We were surprised that he didn’t come to the party. 我们对他没来参加晚会感到很意外。 I’m surprised that he ...

问题 be worth后的动名词必须用主动表被动吗

主动表被动，不用不行吗？ Only one of these books is _______. A. worth being read     B. worth reading 我知道 worth 后常常主动表被动，但是如果用了 A 就是错的吗？标准的动名词被动式呀。请老师指教。

问题 All that can be eaten -has /have ?

All that can be eaten has been eaten up.1.一种解释为主语是all,为抽象概念，因此用单数。2.一种解释为all代表的是食物，而食物是不可数的。对于第1种解释为什么all是抽象概念呢？而第二中解释，如果说的是蔬菜呢？或者种类繁多的水...

问题 the 与those的区别

temporal lobes and gray matter are very important brain areas.The brain areas are critical in the sense of....老师这是个改错题，答案是加上the，可不可以改为those，字典讲，都是特制刚说过的话，这样改有错吗？谢谢老师。

问题 much the wiser 理解困惑？

I don't know that Watson and I are much the wiser since we came down.上句中的the是副词吗？是否可省略？即...I are much wiser since we came down. ?

问题 主动表被动这个知识点应该如何学习

请教老师The New dictionaries are very useful. They ___ well and have been sold out already.A.  sellB.  are sold 

问题 有关虚拟语气的疑问（涉及be-型虚拟式和 were-型虚拟式）

...概念性的问题向专家们请教：1. 有人认为现代英语只有 be-型虚拟式和 were-型虚拟式，那么除这两种虚拟式外，其他传统语法中的“虚拟语气句型”该怎么叫？2. 请具体介绍一下 be-型虚拟式和 were-型虚拟式。

问题 the same as结构怎么理解

...'s about the same age as our sun. I have the same book as is laid on the desk.但是这种Whether the shape of the cluster was the same on the left side as on the right side. 指的是星团右侧的形状和左侧的形状是不是一样。这句的the same 应该是一个名词，然后...

问题 句子结构分析:it came to me how much easier it would be

...urse just a few weeks ago. And it came to me then how much easier it would be if we had a range of words that express different grades of gratitude.请教老师加粗部分句子的结构怎么分析：1.主干句子It came to me then how much easier it would be 中出现的两个it的用法。2.How...

问题 be done doing 是什么语法结构和用法

"Johnsy, dear, " said Sue, bending over her, "will you promise me to keep your eyes closed, and not look out the window until I am done working? “琼珊，亲爱的，”苏艾弯着身子 对她说，“你能不能答应我，在我画完之前，别睁开眼睛，别瞧窗...

问题 现代语法叫作无动词分句吗

...e rocks, the pot-holers arrived at an enormous cavern, the size of a huge concert hall.After switching on powerful arc lights, they saw great stalagmites - some of them over forty feet high - rising up like tree-trunks to meet the stalactites suspended from the roof. 1）the size of a huge concert h...

问题 come home, be home, get home的区别

问题 为啥不是 be disappointed about 而是 in或with?

问题 Be getting ...中的getting还是系动词吗

She’s getting taller and taller. 这个时候getting是作为 变得 理解吗，有个is了，它还是系动词吗？