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问题 弹奏几种乐器，后面的乐器名称前为何物定冠词

新视角初中英语阅读（2）上海外语教研出版社的一个句子： Jay plays the guitar，piano，and cello. 请教专家piano和 cello 前为何没有定冠词，谢谢！

问题 如何理解if you will…的用法

根据主将从现的原则，条件状语从句不是不能用将来时态吗？但为什么下面一句却用了 if you will…呢？这该如何理解？I’d be grateful if you will let me know soon. If you will sit down for a few moments I’ll tell the manager you’re here.

问题 区分现在进行时与现在完成时的一道题

Selecting a phone for personal use is not easy, because the techonology ____so rapidly.A. is changing    B. has changed请教专家老师，选择 A，而不选择 B 的理由？

问题 请教该定语从句中whose的意思

...r, a renowned psionic warrior and assassin whose forbears were exiled from the protoss homeworld of Aiur over a thousand years ago.Zeratul是一名黑暗武士，一名有声望的神灵武士和此刻，从protoss种族的家园Aiur流放出去已超过千年whose forbears were exiled 部分的意...

问题 think of carnival为什么没有冠词

...问：think of carnival 为什么没有冠词？比如像这样：Think of the carnival, and you think of crowds, costumes, and confusion.

问题 where引导从句的奇怪用法（不是地点状语从句吗）

Even where results indicated there was evidence of a difference, the reviewers found no sign that these differences would have any noticeable effect on health.本句的 where 怎么理解呢？算什么成分呢？如何翻译？是习惯用法吗？拜托老师了，谢谢谢谢了！！

问题 however引导的是让步状语从句还是方式状语从句

If we win the match we’ll be delighted, however it happens. 如果我们能赢下这场比赛，不管怎么赢的我们都会高兴。这里的 however 引导的是让步状语还是方式状语? 如何区分是让步状语还是方式状语？

问题 treat A and B as identical的理解与补充

The teacher treats boys and girls as identical.请问这个句子是什么意思？句末省略了什么成分吗？如何补充？

问题 电影《遗传厄运》里面有句台词的翻译（1）

...异的母亲，其中有一句话：my mom was old and she was not all together at the end。字幕翻译是：我妈妈年纪很大了，所以到最后其实她意识并不是很清醒。请问all together 有意识清醒的意思吗？字幕翻译对吗？

问题 关于倍数+as...as 结构的疑问

According to the National Highway Traffic Safety Administration,a person driving a typical car is five times as likely to die if hit by a sport-utility vehicle than if hit by another car. 此句中倍数+as likely 结构后不是应该接as引导比较从句吗？不明白此处为何用than。...

问题 前文中出现了不定代词后文中用什么代替

例如：“There’s somebody at the door.” “Tell them I’m out.”“门外有个人要见你。”“告诉他们我不在。”somebody在前文中出现，后面如果要用一个代词指代前面的somebody，用them。那么其他单词呢，比如 somebody, anybody, nobody, person...

问题 some measuringover 90 meters（为什么用现在分词）

It is so wet there that the trees are extremely tall, some                    (measure) over 90 meters.空格处答案为measuring, 我想知道为什么。

问题 独立主格和完成时的倒装

...这种怎么表示？ 然后还有就是完成时的独立结构，比如They having been working for three hours.和the homework having been done 对吗？将来时又如何表示独立结构呢？ 最后一个就是，完成时的在否定副词半倒装的时候该怎么倒装呢？never have t...

问题 seating, seated 分词的用法

The great hall was crowded with many people, ______ many children ______ on theirparents’ laps.A.including; seated B.including; seating C.included; sat D.included;sitting孩子们不是主动坐在大人们的圈子里吗...

问题 write of 结构和write about有什么区别呢？

On reading over what I have written of the Stricklands, I am conscious that they must seem shadowy.上面是write of 结构吗？ 和write about有什么区别呢？