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问题 现在分词的用法

As soon as the mother saw  her long lost child,she held him tightly in her arms.为什么蓝色部分可以用Seeing替换？As soon as 表示一...就...,现在分词可以体现出这个意思吗？

问题 过去进行时态问题

Everyone _________   quietly when suddenly the door burst open．（read） 这个答案填was reading，我觉得 is reading 也可以啊！没有规定 burst 一定是过去式形式啊！不理解为什么？请教！

问题 awaited, awaiting 区别与比较

At last the awaiting hour came. 有认为认这里的 awaiting 用错了，应该改为 awaited，请专家老师解释一下。谢谢！

问题 句子从句以及成分划分

Small lifestyle changes can make a huge difference and can reduce the environmental impact of our daily activities. 请教老师这个句子的句子成分划分，以及是什么从句。谢谢老师。

问题 application和employment的区别

The painter is clever in his ______of brushes and colors.应该填employment还是application？

问题 which was可以省略吗

He said the election, which was broadcast live, was open and just.请问老师，which was可以省略吗？

问题 关于because of

请问老师，今天看到一句话是This name makes perfect sense because of where the city is located. 短语because of后不是接名词或动名词吗？这里为什么接从句呢？

问题 and两边的逗号问题

Dad would say no more, and, caught ups in the busyness of our new life.这里and两边为什么都有逗号？谢谢老师！

问题 and的用法

There is gridlock in the international governance system (and) escalating trade (and) geopolitical tensions are fueling uncertainty国际治理体系陷入僵局，贸易和地缘政治紧张升级，不确定性加剧。请问句中的两个and该如何理解呢？

问题 句子分析

After the earthquake, a new nuclear station was put up (    ) there had once been a farm.A. where   B. when    C. that     D. which这道题答案是A. where，我做题以为是定语从句太长放到句末，答案分析是地点状语从句，请问老师这个句子该怎么分析...

问题 时间状语位置问题

The police came at once after receiving my call.请教一下各位老师，at once是介词短语作时间状语吗？after receiving my call也是介词短语作时间状语吗？如果两个时间状语连用，那怎么确定哪个在前，哪个在后呢？

问题 of的用法

Children living in very remote of outstation communities are still receiving only the most rudimentary of education services.请问老师，查了字典没有be rudimentary of的用法，请问这个of前后跟的结构不一致，可以吗？

问题 flare up词性

The latest flare up of mob technophobia 请问这里flare up是整体看做一个名词然后of mob technophobia 做他的定语，还是单看flare然后up of mob technophobia 做他定语？

问题 until recently用法分析

Until recently most historians spoke very critically of the Industrial Revolution.until词性为连词或介词，recently为副词，until recently, 在词性/语法上如何理解？

问题 in front of的用法

以上红线处是不是有错误?指教室内部的前面应该用in the front of？