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问题 这个witness为什么不用冠词或复数

见到这样一个句子：Police have appealed for witness to come forward. 警方呼吁目击者挺身而出。请问这个句子中的 witness 前为什么不用冠词？或者将 witness 用复数？

问题 为什么是选 Spanish

You should polish up your _______ before you go to Chile.A. Chinese    B. Japanese    C. Russian     D. Spanish答案是D，为什么是选 Spanish 呢？

问题 难句句子结构分析

As a result,the support for ambition as a healthy impulse,a quality to be admired and cultivated in the young,is probably lower than it has ever been in the United States.这个难句的主语是什么？我知道谓语是 is probably 这部分，求讲解!

问题 would be的用法

...好，今天学习的时候遇到的一个句子是这样的：Another way to stop this law would be for the Supreme Court.是讲到美国的三权分立的时候，说道最高法有权驳回国会通过的不合宪法案。不明白这里为什么用了would be。感觉最高法有权驳回不合...

问题 before可用作关系副词引导定语从句吗

It was the Friday before he came to see me.这个 before 引导的是定语从句吗？如果不是，它是什么从句？如果是，那 before 引导定语从句有什么规律？

问题 句子成分分析

A luxury yacht allegedly bought using money stolen from the 1MDB fund is to be sold for nearly a hundred and thirty million dollars. 红字部分我所能够理解的是作a luxury yacht的后置定语，其中stolen from the 1MDB fund是作money的定语，但是bought后面为什么出...

问题 情态动词can,should

Sometimes I am not as brave as I ___ be. So I'd rather keep silent to avoid hurting myself.A should  B may  C can  D must专家老师，我觉得这里至少AC（should,can ）都可以，您怎么看这道题呢？

问题 翻译：走到了不知什么地方

老师好：跑了不知多少次，张培基有:after making you don't know how many visits那么走到了不知什么地方可以说成：go to i don't know what a place，这里用what还是where呢？还有就是请问翻译考试用这个格式合适吗？

问题 though comfortable 是什么结构

On such a snowy day, I would go to work by bus rather than by driving my car, which, though comfortable, is more dangerous, — especially given my poor skills in driving.请问： though comfortable 是什么结构？ given在这里是什么意思？

问题 现在完成时的用法疑问

这句话中为什么要用现在完成时，还有in exchange for 当什么成分，求指教！ I’ve offered to do the job in exchange for a week’s accommodation.

问题 on做表语的用法

在看美剧时经常看到on做表语的用法，特别时子女不满父母的时候说的。例如："why are you on me about everything?", "Why is everybody on me?","Do you have to be on all the time?"请问这里的on是什么意思？

问题 would rather和had rather的区别

请问贺老师，had rather 是什么意思，怎么用？They had rather go to the movies.would rather和had rather的区别?

问题 过去分词作宾补的疑问

I saw a dog killed.I can't wait to see it finished.I'll get it done.过去分词作定语时表示在主句谓语发生时已完成，而过去分词作宾补时，动作是在主句谓语前完成还是之后完成要看句子的意思，请教老师这样理解对吗？

问题 这里的形容词为什么放在冠词前

Inflation is not certain to return after covid-19. But its re-emergence seems less fantastic a possibility.

问题 identify 主动形态和被动形态问题

So long as there's something to identify,we will give people their money back.请问,为什么例句中identify用主动形态,而不是被动形态? give people their money back 还能像双宾语那样前后调换位置吗?