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问题 逗号后为什么没有连接词

Business ads on TV, radio and newspaper provide useful and valuable information about a product or service to target audiences, help them to compare qualities of different products and choose the most cost-effective one.请问这句target audiences逗号后无连接词为什么可以直接跟help?

问题 being+done现在分词作后置定语

Several parents spoke of requests for work being ignored or refused by the school.这句话being+done是现在分词作后置定语,但我记得以前学的语法是用过去分词来做这种被动情况下的后置定语,因此我觉得being直接可以删了是不是?后面直接跟ignored....

问题 独立主格结构的用法

...对吗?这些可以理解为省略了being之后变成独立主格吗? The kid feels excited with so many places of interest to visit/being to visit 斜线后的being to visit对吗?独立主格中的to do结构是动宾关系还是主谓关系,什么时候需要变成to be done?

问题 on target 用法含义

...tion says 724 kilometers of border wall are on target to be completedly by the end of 2020.2)We were still right on target for our deadline. (我们那时仍然很有希望在最后期限之前完成目标)请教老师:a)以上2句中的on target是否用法含义都一样呢?b)对于第2句, ...

问题 关于die of与die from的用法区别问题

比如“植株无法吸收水分,会因脱水而死”用“the plant cannot absorb water and will dies of dehydration”是否正确?

问题 冠词填空题(定冠词、不定冠词还是零冠词)

The road was slippery and we had to drive through _____ thickly falling snow.空格填什么冠词,是定冠词、不定冠词还是零冠词?麻烦解释一下为什么,谢谢啦!

问题 when nothing...状语从句的省略

When nothing better offered, a walk to Meryton was necessary to amuse their morning hours and furnish conversation for the evening.每逢没有更好的事情可做,就必定往梅里顿跑一趟,这样早晨可以消遣消遣,也为傍晚的闲聊搜刮一点谈资。better offered为过去...

问题 这句话是时间状语从句还是让步状语从句

Whenever someone needs help, friends from all over the world can immediately provide useful suggestions and information.这句话两本辅导书一本书说whenever引导的时间状语从句,一本是让步状语从句,那应该是什么呢?

问题 逗号后面的mindful of是什么结构

For the better part of a century, most biologists have been reluctant to use those words, mindful of a principle of evolution that says ‘evolution cannot run backwards’.mindful of...是什么结构?书上说这是独立主格结构,我不太明白......

问题 状语从句中的一般现在时怎么运用

请问状语从句中的一般现在时怎么运用呢,例如when he opens the door,he finds a bird,符合语法吗,这句话中是不是when表示之后的意思,表示两个接连发生的短暂性动作,并且用于现场解说,是这样吗?

问题 状语从句中的一般现在时怎么运用

请问状语从句中的一般现在时怎么运用呢,例如when he opens the door,he finds a bird,符合语法吗,这句话中是不是when表示之后的意思,表示两个接连发生的短暂性动作,并且用于现场解说,是这样吗?

问题 finishing, having finished, after finishing 的区别

_______ lunch, they discussed the case. A. Having finished B. Finishing C. After finishing 曹老师好,上题答案是什么?三者区别是什么?请老师分别说明。感谢曹老师详解。

问题 for是表示时间短,还是为了意思

No deep meaning, no bigger motive. The only goal was to be silly, if but for one afternoon. 这句话的but 是只是的意思吗?修饰后面的for?这个for是表示一个时间段?还是为了的意思?只是为了一个下午还是只是一下午?

问题 when, as, while, since的区别

_____ Tom waited for the exam result, he became less and less patient.  A. When    B. As      C. While   D. Since 答案为 B。请解释一下 when 与 as 的区别,谢谢!

问题 表示比较范围时用介词of还是among

This model has the best acceleration of any available sports car. 这款车的加速性能是现有跑车中最好的。请问这个句子为什么用介词 of 表示范围而不用 among?