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问题 since after是什么用法

Economy is one powerful motive for camping, since after the initial outlay upon equipment, or through hiring it, the total expense can be far less than the cost of hotels.请问为什么两个 since after 连在一起用啊？

问题 这里为啥选made而不是have made

The bread is really delicious. Thank you. I（）it myself.为啥括号里答案是made而不是have made呢？

问题 副词和副词小品词的区别

1 The light is off.2 You can turn it off.请问老师：1 是不是只有在“短语动词”结构中的副词才能是“副词小品词”？2 上面例句1中的 off 只能叫副词，不能叫小品词，对吗？例句2中 off才能叫小品词？

问题 定语从句两个which的指代问题

But note that porosity is not the same as permeability, which measures the ease with which water can flow through a material; this depends on the sizes of the individual cavities and the crevices linking them.(013)　　句子分析：　　本句话的重点在于由which引导的非限制性定语...

问题 look可以引导宾语从句吗

...从句，这该如何解释？ Look how much these people are earning! It makes you sick.  看看这些人多能挣钱！真令人气愤。

问题 全是熟悉词的句子理解

If it was something along the lines of law or business, you might want to look away now. 本句中 along 应该是介词吧？划红线的词是什么意思呢？该怎么翻译理解呢？谢谢老师了!

问题 带有从句的一般疑问句如何回答

老师，请问您一下。像这类带从句的一般疑问句，怎样回答呢？是依主句还是从句？比如：Do you know what he wants? It is possible that there could be another earthquake there?

问题 名词与动名词的用法区分

It has a lot of growing to do 用了growing 动词 ing。I have a lot of work to do 使用了work 普通的名词。请问为什么要使用这种用法？能反过来，替换成 grow 和 working 吗？

问题 see后的宾语从句

Inside the shelter, he latched the door, and looked around to see that his family was squared away. Now it began. The waiting.  see在这句中是检查的意思，译文是检查查看他的家人是否就位。怎么有个选择性是否的意思。是译文错了吗？

问题 and so 的用法

It is also expected that those top students would have fewer disctractions and so better concentrate on their studies.请教老师，句中 and so 表示因此，所以 and so better… studies是结果状语从句。如果换用and，前后句就成为并列句了？但语法上，两者都是正...

问题 whatever the cause的省略问题

Whatever the cause, it seems that a lot of us cry in the car. whatever the cause 这里是省略了系动词is吗？不太明白这个结构，请老师解读一下!

问题 added to是什么用法

With research going on all the time, there would be greater wonders added to those it has already brought us.added to是什么用法？可以adding to吗？不理解。另外可以用will be 代替would be吗？ 有区别吗？麻烦老师详解，谢谢！

问题 一个关于than后面动词省略的问题

it is unwise to give children more money than is necessary.老师说is可以省略；为什么这句话不行？the boy eats more than is good for his health.

问题 consider 还是 considering

The one recently spotted working through a bamboo forest in China's sichuan province is even more so,_______（consider） that it is the world's first known all-write panda.为什么填 consider 行，但是用非谓语 being considered 却不行呢，主要解释一下后者，谢谢！

问题 向老师请教被动和主动语态的问题

It was difficult because of the hard resin________the skin. A.covered B.covering 这里为何不用covered，不是可以翻译成“因为树脂被覆盖在皮肤上”吗？ 被动语态。