问题 to, at, in, on表方向的区别

He is pointing to/at me.   She was pointing in the direction of the car park.   He wants to turn his back on me.   这些句子中to, at, in, on都表示“对着那个方向”，请问其区别？换句话说要表示“对着……”这个意思时应该用那个介词？谢谢!

问题 enroll in 和 enroll on有区别吗

enroll in 和 enroll on有区别吗 谢谢

问题 时间前面用 fall on 还是 fall at (请教曹老师专家)

1 Our class begins / falls at 8 on Sunday morning in the libraray.2 Our class begins / falls on Sunday morning at 8 in the libraray.3 Our class begins / falls at 8 this Sunday morning in the libraray.请问您 fall on +天。但是 8点小时间是不是应该放在前面呢？这三个哪个对呢...

问题 这句为什么overflow用现在分词形式而stacked用过去分词形式

Behind the sinks are mirrors and on either side of these, shelves overflowing with an mixture of plastic combs (some plunged into a glass bottle containing a blue liquid), shaving mugs, scissors, cutthroat blades and hair brushes, stacked neatly in a pyramid.在这个句子中，为什么overfl...

问题 All is silent与All are silent

在一本书上看到下面两句：All is silent. 人人不语。All are silent. 万籁俱寂。为什么仅一个词不同，意思区别就这么大呢？

问题 from that time on 连用接什么时态

您好，请问from that time on 后面接什么时态？

问题 accepted on to 怎么理解

We have seen a considerable increase in England in the number of women accepted on to full-time undergraduate degrees in science,technology,engineering and maths.

问题 His hand clenched on his wand

句子：He bent over his trunk again, but almost immediately stood up once more, his hand clenched on his wand.问题：He bent over his trunk again, but almost immediately stood up once more.这个两句是but 引导的并列句，his hand clenched on his wand 这个句子是独立主格结构吗...

问题 动词后接介词for/over/about/on的区别

一般在动词和介词搭配的用法中，有好几个词后面都可以接for /over/about/on，比如说argue 等，那它们之间有没有什么差别，比如有的不接on？如果有，怎样去区分呢？求大神解答！

问题 We are all traveling through time together.

这句话中 all的词性是什么在句子中做什么成分，求指教！

问题 有关虚拟语气中should would等词的词性问题

...teamer should have left port at noon, it will be passing through the canal now.后面我又翻了下徐广联的书，他没直接讲should would 有没有作为助动词，但他在后面特意提了would should could might 这个情态动词在虚拟语气中的用法，我弄不清should would co...

问题 the summer of 2018 前面能不能加介词on

尊敬的专家：你们好！我看到不少词典上有例句in the summer of xx年，那么能不能在the summer of 2018 前面加介词 on，有道词典上有例句包含on the summer of 2004，我有些困惑，希望专家帮助解答，非常感谢！

问题 ​Make it hard on yourself如何分析

Make it hard on yourself: 为难自己，在这句话中 it是形式宾语么？真正的宾语是yourself么？ 还是on yourself做状语？The players won six aerial duels against wolves. 在与狼队的比赛中，球员赢得了6次争顶 在这句话中 against wolves是做 duels的后置定...

问题 on order作什么成分

A combination of Frontier and Spirit, especially with the hundreds of new Airbus jets both firms have on order, might have increased that share significantly, making it as disruptive as its European counterparts.

问题 But perhaps the most vivid recollections are those