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问题 关于时态区分与词汇用法辨析

...是完成时？   -- Your name again? I'm sorry I _________(not catch) it.   -- Will Smith.2、Great changes have taken place in our hometown since 2010. 有人认为此句是错误的，因为句中have take place 为短暂性动作，不应该跟since... 结构连用。但...

问题 lay conquest to什么意思

...es; imperialism gave the go-ahead for Britain and other European powers to not only take what they wanted from foreign lands but to lay conquest to those lands as well.（查了词典也没找到相关信息）译文：由于下一个世纪发生的工业革命需要外国的资源，再加上帝国...

问题 此句had to可否换成must?

--Did you haveto take a taxi? --I'm afraid Ihad to. 这是新概念第一册第126课的句子，请教专家，此处had to换成must可否？ 谢谢！

问题 will在间接引语中的时态

《英语常用词用法·详解大词典》席玉虎p2718的一个例句： He said he will be back in a few seconds. 他说他一会儿就回来。 句中的 will，我觉得应该用 would，不知我的想法对否，请专家指教，谢谢！

问题 为什么relax oneself 有错

改错：Don’t work too hard. You can relax yourself for a while.答案是relax yourself有错。请问错在哪里？

问题 become 能跟“since + 一段时间”连用吗

become 是“非延续性动词”，一般不跟“for + 一段时间”连用。但它能否跟since 连用吗？例如：She has become a teacher since 1990. 自从1990年以来她就一直当老师。请问：这个句子对吗？为什么？

问题 情态动词(should, would, might)

I didn't send out my application form last week,but            .A.had B.would    C.should have    D.might have to请老师详细讲解这道题，谢谢老师啦!

问题 情态动词(shall, should等的用法)

Tom           better than to ask Dick for help.A.shall know B.shouldn't know C.has known D.should have known请老师详细讲解这道题，谢谢老师啦!

问题 为什么用setting 和 initiating

When Roosevelt became president，he transformed this love of the West into concrete legislation，setting aside lands for national parks，national forests，initiating a vigorous national debate about conservation.为什么用setting 和 initiating?

问题 关于until,unless的试题

I didn't believe I could do it___I got to the top of Mount Tai.A until   B unlessA答案正确，但是B答案错误的充分理由？？另，题干中的could是否应该改为was able to ，因为这是过去特定的‘能’，与具体事件有关。盼专家老师解惑。

问题 英语句子成分分析（buy sth for sb）

I am going to buy a gift for her.for her 是状语？定语？间接宾语？

问题 现在分词短语 using...的用法疑问

老师您好，请问下面这个句子中，use为什么要用现在分词的形式。When we tell a story or joke we often describe the main events using the present (or past) simple and longer, background events using the present (or past) continuous.

问题 关于and连接两个句子的主语省略问题

请教一个关于 and 连接两个句子的主语省略问题。如：I'm a fresh, and I come from China.请教各位老师，这个句子中 and 连接两个主语相同的句子，and 后面的主语 I 是否能省略呢？

问题 potential disruption 怎么理解

Analysts say infrastructure such as this makes FedEx and its rival, UPS extremely difficult to dislodge from their thrones atop the U.S. shipping industry. And yet as dominant as they are, the stalwarts are also vulnerable facing a fresh wave of potential disruption.问题：此句当中 potential d...

问题 长句的句型分析和语法知识归纳

It's rare that the protagonist in a chinese movie wins the audience's hearts with an emotionally uplifting message,rather than by showing off his or her good looks.请帮忙分析一下这句话的句型，和具有的语法知识，谢谢！