问题 on holiday 和 in holiday

I actual learned to dive in my hometown when I was in holiday.这是一道改错题， 为什么把in改为了on呢？

问题 the usage of would (1)

1. it is something that most people would have no reason to do.2. I am certain there isn’t a man among us who wouldn’t try to ease his wife’s burdens. 3. Are we meant to believe that this man would have the skill or even a caregiver’s instinct to do that?4. 65 five years ago, it would have b...

话题 later和later on

话题 on和of的区别

话题 为什么没有介词on

问题 base on为什么要加thoughts?

his judgments/opinions about everything are based on thoughts about money

问题 put / lay stress on 意思相近的短语

put / lay stress on 意思相近的短语。

问题 offer sth to sb on sth是固定搭配吗（人教必修1-U5）

...的故事）中有这样一句：He offered guidance to poor black people on their legal problems. 他为那些穷苦黑人提供法律指导。请问：这里为什么用介词 on？这是固定搭配吗？我知道 offer sth to sb 是一个固定搭配。如：He offered his chair to her. 他把...

问题 arrive in, arrive at以及arrive on的用法问题

When I frist arrived on this island, I had nothing. 一般 arrive 是与 in 以及 at 连用。请问什么情况下用 on 比较合适？ 

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 bank on sb doing 结构分析

I wouldn't bank on him being there, him being here.这是不是复合宾语？being这里是宾补？

问题 enroll in 和 enroll on有区别吗

enroll in 和 enroll on有区别吗 谢谢

问题 whether引导的是什么从句

I don't care whether he will come or not./ Whether he will come or not, I don't care.这两句话句话whether引导的是宾语从句还是让步状语从句？whether可以引导什么状语从句？

问题 句子分析

...the specific scope of their job description is going against professional norms and risks coming across ad difficult or even unpleasant to work with.and是连接is going against professional norms和risks coming across ad difficult or even unpleasant to work with，为什么risk不用risking要用ri...

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...