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问题 in between 是什么用法

"Ever Shining Cinema's barrier-free movies include play-by-play narrations of what's happening on-screen in between dialogues and sound effects. These narrations describe the scenes and the meanings and emotions behind them," Fu says.没看出来这里的介词in有什么用，感觉是多余的，...

问题 现在时态表示过去的用法

...生动而使用现在时态吗？They are flying over the desert when one of the engines fails. 他们飞越沙漠时，一个引擎出了故障。请专家老师总结一下，到底在哪些情况下可以用现在时态表示过去，谢谢！

问题 make a mistake后接动词用什么形式

make a mistake 后接动词时，是用 doing sth？还是 in doing sth? 还是 of doing sth？

问题 spokesman,spokeswoman(发言人)后接什么介词

...： the spokesman for the Democrats 民主党发言人 但是可以用 of 或 to 吗？

问题 宾语从句可以嵌套状语从句么

... whole time at the prayer breakfast seems to be forgotten, on the same day of the prayer breakfast,”he said.that后面是worry的宾语从句，然后这个宾语从句又是一个as soon as 引导的时间状语从句，这么做可以么？还有类似的例子么？

问题 分析一个词典定义句子的结构（涉及or并列成分）

柯林斯词典对 adequacy 的定义是这样的：Adequacy is the quality of being good enough or great enough in amount to be acceptable. 我看不明白这个句子的结构，尤其是看不清这里的 or 是将哪两个成分并列了。

问题 a short distace away作后置定语

句子：We compare it with the chemistry of the soil a short distance away.(it指的前文的一种化学物质，这里就理解为“它”就可以)请问老师：a short distance away是soil的定语吗？a short distance away算是名词吗？名词可以这样作后置定语吗？

问题 用逗号隔开介词结构是什么成分（同位语？插入语？）

We both came from hard-working families, of modestmeans but with strong work ethics.用逗号隔开介词结构是属于什么成分？同位语？插入语？麻烦老师讲解一下？

问题 连接两个句子时，and和while的区别

 It is mostly called tea house in provinces like Guangdong, Guangxi and Hainan,   and/while  it is called tea pavilion in Beijing and Tianjin of North China. 请问一下，这个句子用哪个呢，应该怎么准确的使用这两个连词。

问题 which reminds me 的省略问题

这是个对话，想请教你，Which reminds me,是省略了前面的主句吗？Mild China 什么意思?And we also need to push the DVDs. Customers can get twenty percent off when they buy a guidebook and a DVD together.Which reminds me, did you bring that extra box of the “Mild China” DVDs?

问题 destined for的理解

The EEC's share of China's exports has generally been around 11-12 per cent over the past few years, while the proportion destined for the Comecon countries declined from almost 15 per cent in 1978 to 6 per cent in 1983.过去几年中，总的来说，欧共体约占中国出口量的11%－...

问题 标点符号(and therefore前面应该用逗号吗)

The quality of teaching can make a huge difference to students’ academic performance. and therefore, parents prefer to choose prestigious schools for children.请问老师，这个句子and therefore前面应该用逗号吗？还是说应该用句号 ，同时And要大写？

问题 主语和宾语的单复数对应问题

...么解释啊类似的还有福布斯杂志上的句子：The average age of men who have a first heart attack is 66

问题 unaided做插入语

No young man starting life could have better capital than plenty of friends. They will strengthen his credit, support him in every great effort, and make him what, unaided, he could never be. 请问这里的unaided可以改成unaidedly吗？ 形容词也可以单独用作插入语吗？我...

问题 with 短语在这个句子里面的成分不是很理解

The XRD patterns of both the samples were well indexed to the standard cubic CsPbBr3 phase, with no observable secondary phases。个人理解：with no observable secondary phases 有种补充说明的意思，难道是啥补充状语？