问题 off作为减价时的应用

...？A shirt with $20 off. 这里的off是副词做补语么？Take $5 off the regular price. 老师这里的副词off为什么能接名词呢？副词可以接名词么？辛苦老师解答。

问题 this在这个句子中指代什么

“Aron Ralston is an man who is interested in mountain climbing. As a mountain climber,Aron used to taking risks.This is one of the exciting things about doing in dangerous sports”最后一句中的this指代mountain climbing还是taking risks？为什么？谢谢！

问题 关于结果状语及结果状语从句

...就只是that吗？其并没有使用逗号与主句隔开呀。I went to the lecture early so that I got a good seat.

问题 date作不及物动词

...中是作及物动词还是不及物动词？1) Why do nice people choose the wrong people to date?2) Is he still dating Sarah?我的个人理解，date在1)为不及物动词，因为后面没有直接跟宾语；在2）为及物动词，宾语为Sarah。但我的上级说1）和2）均为不及物...

问题 形容词做状语和主语补足语？

...怎么区分呢？比如这句：Afraid of difficulty, he prefers to do the easy maths problem.这句话中，前半部分是否有省略什么呢？还是固定搭配固定记忆？尤其主补，放在句子中总是不能一下就辨别出来。

问题 独立主格为什么用主动而不是被动

The weather turned out to be very good, it being more than we could expect.为什么用being而不是been呢；是因为逻辑主语一致吗？其实关于非谓语如何判断主动或被动一直不太明确烦请老师回答，谢谢！

问题 I don't even have to be there.这句话是什么意思？

I don't even have to be there.这句话是什么意思？have to 是这里是必须的意思吗？

问题 take no interest in 和 have failed to是什么用法

Even people who take no interest in art cannot have failed to notice examples of  modern sculpture on display in public places.这句话里的take no interest in 和 have failed to是短语吗？怎么理解这句话?

问题 grow five inches 和 grow to six feet 的句子成分

He grew five inches last year. 他去年长了五英寸。He has grown to six feet now. 他已长到六英尺了。请问句子中的 grow five inches 和 grow to six feet 作什么句子成分？

问题 翻译: There arises no question of loyalty to...

There arises no question of loyalty to one’s bosses. 请问这个句子如何翻译?

问题 be proud to do/of doing/that...的区别

请问be proud to do/of doing/that...的区别？

问题 and是多余的吗（and to run pumps）

There is electricity in our house and to run pumps.这里为什么有and呢？去掉and不也是可以的嘛？

问题 I will take him to school.如何从宾语和补语是主谓关系理解

我知道宾语和补语是主谓关系或系表关系，这里him和to school怎么造出系表结构的句子？he is to school好像不对呀。请大家帮忙解惑!

问题 compare with 和compared to区别

问题 in comparison to 与 in comparison with 的区别

查词典，好像 in comparison to 和 in comparison with 意思差不多，它们有区别吗？