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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 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 There句首疑惑

1 There he was, working hard at his small business, waving at passers-by and stopping to chat now and then with elderly men and women on their way to the market nearby.请问老师：副词there因为强调而前置，那there在这里是不是做表语，后面的working/ waving/ stopping是现在...

问题 It可以表示这代替this和that嘛

想问下it可以等于this和that嘛，应该是定冠词the等于this和that吧？这是多么多有趣的一个故事？可以翻译成What a fun story it is？嘛感觉有时候it可以翻译成it，但是it又不等于that，所以就很奇怪？

问题 for whom是引导定语从句吗

The effect was especially pronounced for lower performing students, for whom exposure to struggling stories led to significantly better science-class performance than low-performing students who read achievement stories.这个句中的for whom是引导定语从句吗？我理解whom是exposure的定...

问题 no less...a...的搭配对吗

It is no less a person than the president.A dolphin is no less a clever animal than a dog.在这些句子中见到了限定词no后和冠词的搭配，觉得奇怪，因为在no such... 后一般直接跟名词，不用冠词的。为什么上面的那两个句子中却在no后有冠词呢？敬请...

问题 damage的单复数与修饰语问题

The storm has caused _____ to this region.A. many damages      B. much damagesC. much damage        D. few damages正确答案C，我选的是B。老师为何 B 不正确呀？烦请指导。谢谢。

问题 时间和条件状语从句用现在完成时

...不能直接用一般将来时。如：If you don’t go, I will not go either. 你若不去，我也不去。When it gets warmer the snow will start to melt. 天气变暖时，雪开始融化。但有时从句可以用现在完成时，能请老师讲讲这方面的用法吗？