找到约 30000 条结果

问题 which非限制性定语从句疑惑

请问老师：which引导的非限制性定语从句，是修饰前面整个句子吗？which做主语指代“All citrus fruits grow on trees that are evergreen”这件事，对吗？All citrus fruits grow on trees that are evergreen, which means they don't drop their leaves in the fall. 

问题 逗号后的部分是什么成分

If you see the phrase as dead as a doornail,you don't need to know what a doornail is，simply that the whole phrase means"totally dead",这个句子中逗号后simply that the whole phrase means"totally dead应该是一个完整的句子，为什么能用逗号连接，还是这是一个从句？

问题 这是虚拟用法吗

New materials can be inserted into its DNA to give the plant or animal qualities which it would never have in nature.划线部分是有所省略了的虚拟语气吗？

问题 begin doing ...

Foreign nationals have begun leaving because of a sharp rise in violence.  因为暴力活动的急剧增加，外国人已经开始离开这个国家。begin doing 和 begin to do 是一样的吗？

问题 介词 before 引导什么从句

We still have a long way to go before we can do sth.请教下，before 介词引导了什么从句？

问题 从句的问题

He doesn’t have a clue who’s responsible.这个句子是不是不正规，who’s responsible前是不是省略了介词to或者about等介词？因为clue不等于who's responsible，所以这应该不是同位语从句吧？

问题 对discount的理解

百分数+discount是表示“从总价中减去，总价乘这个百分数”还是表示“只需要支付的总价乘这个百分价”?如have a 10% discount表示的是以上哪种情况?

问题 regret not doing sth表示的动作是否发生

...表示动词过去已发生或存在。但对于下面这样的句子呢？I regret not being able to help her. 我很遗憾未能帮助她。I regret not coming earlier. 我后悔没有早点来。“未能帮助她”和“没有早点来”都是没有发生的事...

问题 不定式的被动式作宾补时什么时候to be可以被省略

I don't want my daughter taken out after dark. 我不愿有人在天黑以后带我女儿外出.原句是这样的，我认为这里是 to be 被省略了，还原也就变成：I don't want my daughter to be taken out after dark.那个 to be 什么时候可以被省略呢？

问题 不定式主动式与被动式的用法疑问

I’ve worked with children before,so I know what _________ in my new job.A. expected                       B. to expectC. to be expecting            D. expects本题是这样解释的：显然，这里的不定式...

问题 “so+形容词”位于句首的倒装例句

对于 so…that…来说，如果“so+形容词”位于句首，其后要用倒装句；但如果没有 that 从句呢？如果只有so+形容词呢？它位于句首时也要倒装吗？谢谢！

问题 请问句中“be”是不是有错误

A Hong Kong lawyer violently beaten by rioters on Sunday has urged that the upcoming national security law be implemented as soon as possible so that violent protesters can no longer "act unscrupulously at their will."

问题 同位语前面可以加破折号吗

But, like the old puppet theatres of Le Grand Guignol or Punch and Judy, these emblematic performances speak for the innermost minds of us silent, watchful prisoners, actualizing and concretizing our images of dreams and fantasies in a sensational manner.请问老师：1. 可以这样加破折号吗...

问题 不及物动词talk和speak为什么都后接了宾语

...Grimm's stories, a forest is often the home of evil witches (as in "Hansel and Gretel"), talking animals, and magical beings.For centuries, storytellers - called rune singers-learned and spoke the kalevala from memory.这2句都是来自美国原版书上的。 talk 和 speak 为什么都后接了...

问题 all thses的用法

They have all these trips down the rapids.他们有全部激流的旅途？请问这句话该如何翻译，为何要加all these