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问题 关于新概念2册lesson94文中一段话的疑问

At a special swimming pool in Los Angeles, children become expert at holding their breath under water even before they can walk.文中这里的expert 为什么不是复数呢，还是说文中的意思其实是“他们变得擅长游泳”，而不是“变成了专家”，所以不用加s，老...

问题 句子语法结构分析

They provide a valuable insight into the way true investors analyze their investment decisions.请问这句话是什么语法结构？

问题 of的指代作用

the city of New York这里的of是具体说明还是同位语标志?

问题 外刊语法的问题

We do, however, differ greatly in the ways we use this little measures of time请问老师这个是什么从句？

问题 straight修饰动词问题

They comes straight from the heart.straight是副词，为什么它修饰动词，是放在动词后面？

问题 back 用法疑问

Kaz's father had been out back tending the vegetables, in his under shorts.back在句中表示什么思？

问题 much of sth是否与more of sth一样表示部门与整体的关系

老师请看以下例句：Much of this is based on promises. 与 I want more of that milk. 这里的 much of sth 与more of sth是否也是部分与整体的关系？ 是否 of引导介词短语做后置定语? 请老师确认。

问题 dressed in 后面为什么可以加 dark glasses

...hould recognize them. But as they soon discovered, disguises can sometimes be too perfect.请教专家：dressed in 后面为什么可以加 dark glasses呢？我只知道dressed in black (穿黑色衣服）或 wear glasses 是正确的。还有，这里的should是应该的意思还是推定式用...

问题 句子分析

...in her grief She wasn't the smooty, superior woman, looking down her nose at him, that he had rembered, but warm, loving, familiar.老师，帮我分析一下，谢谢！

问题 定语还是状语

They can give families like yours a sense of security going into the New Year.这里的非谓语做定语还是做状语呢，个人认为是做定语。

问题 as用法

Few people are as fertile as in the past.在as...as...比较结构中，第二个as后面接的是介词短语，第二个as的词性是什么？如何理解？

问题 间接引语没有过去时间状语，是否可以用had been born？

'Were you born in London?' Mary asked meMary asked me    if    I        born in London.请问老师横线部分应该是填was还是had been?按理直接转间接引语时如没有过去的时间状语，时态要做相应调整，但我...

问题 and后面省略

He was received at the royal courts of Europe and admired by many kings. and后面省略了吗？ 

问题 句子成分

Situated between the streams are rice paddies, mulberry and tangerine orchards, and fish ponds.老师这句话后面是主 系 表，结构，前面situated和between是做什么成分？

问题 Scarcely用法

Scarcely a sound came from among the crowd.这里scarely修饰主语a sound吗？scarely为副词，可以修饰名词a sound吗？如果修饰整个句子，为什么不用倒装呢？