问题 shouldn't have done / needn't have done 存疑

Of course the photocopier doesn't work. _______ it on first?A. Needn't you have switched  B. Shouldn't you have switched请问老师，A和B 都对吗？

问题 为什么用 office hour 而不用 office hours

2012年湖南卷高考英语听力中有这样一句对话:W: No, I can see you at three o’clock this afternoon, or during my office hour on Tuesday or Thursday or Friday.M: Great. Your office hour is best. That’s two o’clock, right?请问：为什么是用 office hour 而不是 office hours ...

问题 at all cost还是at all costs（2018高考英语天津卷）

下面一句摘自 2018高考英语天津卷，请问为什么是 at all cost，而不是 costs 呢？But something inside me was going to climb that mountain at all cost. I could hardly wait to try this adventure again.

问题 recent与most recent的区别(还有recently与most recently的区别)

What did David do on his most recent holiday?这句摘自2021年新高考英语全国卷I的听力题。请问 recent 与 most recent 有什么区别？它们不是都表示“最近”吗？另外，还有 recently 与 most recently 有什么区别？

问题 定语从句的判断与省加重

There are also other ,more neutral views,such as those held by people who don't  mind advertising,or the idea that advertising is an art form in itself ,that ,if viewed critically ,can make a social comment on the style , artifacts of different social groups .句子里…，that ,if viewd...

问题 get one's money's worth与get the worth of one's mon

Get there early to make sure you get your money’s worth.资料上说句子中的 get your money’s worth 不能换成 get the worth of your money，但我不明白为什么不能这样换，仅仅是因为它是固定搭配吗？

问题 比较分句形式主语和外置真正主语从句

...vious — as it should be that the poor and marginalized have most to lose when the weather turns against them。  我问下两个问题:1，这个句子的as 能不能分析指代先行词obvious,分析为关系分句。 2，分析为比较结构，as it should be gap that........其中it 为形...

问题 这里的would have是否是虚拟语气

Ammunition was stockpiled only for one-third of the divisions and even that would last them only fourteen combat days. Requirements for another fourteen combat days could be covered by reserve stockpiles but that would be the end. The Air Force was in a similar situation—after about fourteen comba...

问题 artwork跟art的区别

您好! 一个英国人问到马云的艺术品拍卖获得高价而出名时，说的是an art, 马云回答时却用a piece of art。请问，马云拍卖的艺术品英文应该用an artwork 还是 a piece of work? artwork 跟art都可数吗?Thanks in advance.

问题 all of which可以作为一个单独的句子的主语吗

...，前面举了一些例子然后句号完结，最后加了一句“all of which would have a positive effect on our happiness levels.” 我第一反应是非限制性的定语从句，但是为什么用句号隔开了，all of which 可以单独做主语吗？（这问题有点钻牛角尖，谢...

问题 located to 和 located in的用法

1) Located to the southeast of the city, the small island covers an area of 20 square kilometers.2) Located in the southeast of the city, the small island covers an area of 20 square kilometers.第1句的 located to 和 第二句的located in哪个对？

问题 look kind of是固定搭配吗

...一个（复合谓语）及物动词吗？Those houses were set fire to by the enemy soldiers.The land should be made rational use of.

问题 这个介词of如何分析和理解？

...nks are profiting off of police brutality in black and brown neighborhoods.The plug-in hybrid and could tide Toyota over until the electric vehicle market becomes big enough to profit off of it.请教老师，为什么上面2个例句中在profit off后都出现了介词of ? 这个介词of如何分...

问题 曹老师解答的《being后接形容词、过去分词以及用于with复合结构的宾补前时的省略原则》有几处不懂

您好，曹老师。看到你精彩的解答，给我提供新养分的同时。我自己有几处没有消化好。1. 动名词being，怎么判断动名词being，可否举些例句？2. 作为现在分词，being可能是表示被动语态的助动词be (不可能是进行体的助动词be）？...

问题 It depends on an issue of which is the best.是个什么从句