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问题 from加时间段加ago 是什么意思

You can see mailboxes from many years ago.from加时间段加ago 是什么意思？

问题 be good to 和be good for 的纠葛

...t I need is a cat, a good cat that can catch mice.” He knew of a man who had cats for sale. So he went to see him. “Do you have a cat that is good for the mice?” he asked the man. “Well, yes. I do happen to have a cat that is good to the mice,” replied the man. “I’ll take it,” said t...

问题 分词还是从句作定语

Mr. Bradburn says President Washington set many important precedents for all the presidents who followed him.上句中who followed him是否可以用following him分词定语来替代？在被修饰的关系中如果逻辑上分词和从句作定语都可以时，该怎样选择用分词定语还是...

问题 although 和 if 的虚拟用法

Althoughit could be a problem if too many parents withdrew their children from school,it is a suitable option. 请问老师although和if 是虚拟语气用法么。 withdrew是过去分词。 另外if什么时候用虚拟是怎么来决定的？

问题 a few可以用于否定句吗

I'd been expecting _______ letters the whole morning,but there weren't ______ for me. A.some; any B.many; a few

问题 of which和among which的区别

Our teacher has written many books, of which this is only an example. 中的of which 是否可以换成among which呢？

问题 关于从句的疑惑

老师好！关于从句我有以下几个疑惑：1 how many/much/fast/long/old这种词引导名词性从句是相当于什么词性？2 引导状语从句的代词和副词是wher(ever) what(ever) who(ever) whose(ever) whom(ever) which(ever) when(ever) why(ever) how(ever)所有这些都可以吗...

问题 be of doing sth是什么语法

Many adults' most wonderful memories are of playing baseball when they were kids.请问句中的 are of playing 是什么语法？

问题 it was announced that only when还需要部分倒装吗

...trol ______to return to their homes.A. the residents would be permitted B. had the residents been permitted  C. would the residents be permitted D. the residents had been permitted我记得only+状语置于句首会引起部分倒装，但这道题中还需要部分倒装吗？我选的是A，但...

问题 这个句子中的should是虚拟语气吗

Can you believe that in such a rich country there should be so many poor people? 如何翻译句子？如何理解 should？在此句中 should 是虚拟语气吗？谢谢专家。

问题 过去分词作宾补还是后置定语

The manager was satisfied to see many new products _____(develop) after great effort.这里我知道填 developed过去分词。答案说developed是做宾补。但是我的理解是过去分词做后置定语修饰product，所以到底是宾补还是后置定语呢？还有after great effort 是...

问题 不定式做目的状语有时态变化吗

______  the convenience of digital payment, many senior citizens started to use smartphones. A. To enjoy  B. To have enjoyed

问题 danger/dangers辨析

Interestingly, the mortality rate in New York turned up being lower than in many Amercian cities.Historians believe this was because authorities closed the subway after quickly recognizing the dangers of keeping it open.1) 麻烦老师讲解一下turned up being lower2) dangers 可否改用dang...

问题 静态动词与目的状语

有一个说法是，静态动词不能和目的状语搭配，我记得剑桥语法上确实有，但是这次没找到，却找到了两个似乎是静态动词和目的状语搭配的例子（p. 729-730）：These are the kinds of student that this school exists to cater for.How many credit point...

问题 现在分词完成式做状语（尤其是延续性动词/状态）是否必须是分词动作/状态结束后主语动作才开始

...老板，句子能否这样写？3.Having grown up in San Francisco, Dave had always preferred to record the plain facts of small-town life.分词动作结束，主语动作才开始，对否？4.Having been an English teacher for more than ten years, and having been constantly exposed to American c...