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问题 填现在完成时和过去完成时好像都有道理

一道填空题：—Alice came back home the day before yesterday. —Really? Where _______?答案是：had she been。但是我觉得如果平常口语中回答 has she been 也是可以的。因为虽然说回来是前天发生的 旅行是回来之前完成的 但是如果作为一个整体...

问题 turn...into 应归为五种基本句型中的哪一种

The new app turns photos of faces into emojis.我们知道英语有五种基本句型，请问上句中的turn...into 应该归为那种基本句型，例如是应该归入动词后接双宾语还是应该归入动词后接符合宾语。谢谢！

问题 runs across to为什么run后有两个介词

She often runs across to the neighbour's house to have a good gossip.她经常跑到邻居家去闲聊。runs across to为什么run后有两个介词？run across是一个动词词组，是及物的，为什么还要加一个to呢？

问题 完成体和完成进行体的辨用

...2. Lee _____(learn) English for several years, and at last he has mastered the irregular verbs. 请教老师，唯一答案是 has been learning。我的疑惑是可否用has learned ?  谢谢老师。

问题 fell below 2.3 是下降到2.3以下，还是下降了不足2.3？

The ten year treasury yield fell below 2.3 ％ this week.不知是fell to below 2.3％还是fell by below 2.3%，希望老师解答一下

问题 延续动词可以表达短暂动作吗

...教!在张满胜老师的语法书中有一个例句：I have just cleaned the car. 我刚刚把车洗干净了。他表示现在完成时的“单一事件”的用法采用的动词都是短暂动词，或者用作表达短暂性的动词，不表示一个延续活动。但是clean是延续动词...

问题 以下两个句子中there后面的动词形式为什么不同

John was waiting for there to be complete silence.No one had told him about there being a lecture the following day.不都应该看there前面是什么来判断后面的搭配吗，那这两句话前面都是介词，为什么一个是不定式一个是动名词形式呢？

问题 请教曹老师有关虚拟语气的问题

...我不是很理解,此时为什么用的是陈述语气和祈使语气If the train should be late ,what will you do? if we should fail this , we are ruined.if you should meet Henry, tell him I want to see him.

问题 Glad to accept在句中具体做的是什么状语

请问老师：Glad to accept, the boy nodded his agreement.句中的形容词短语Glad to accept，它具体做的是什么状语？如何去理解？又怎么翻译较为恰当？因为对各种不同的状语的辨析本人不甚明确，望老师详解，谢谢！

问题 请教这句话这里是否应使用介词短语

看一篇介绍vr技术的文章有一句话the research showed that students felt comfortable taking risk when playing game。翻译意思是研究表明学生们在玩游戏时会乐于冒险。我认为在这句话里作表语的形容词comfortable和taking risk之间缺少了介词，可以是t...

问题 by which长难句的解析

There are many more metrics that could be used to judge a “good” COP: from agreeing a timetable for phasing out fossil fuels, to thrashing out details of a global carbon-trading scheme, to accelerating the process by which nations come up with new, improved emissions-reducing plans. 最后一个...

问题 句子的时态困惑（为什么不用过去完成时）

...到的句子，句子的时态有点无法理解：It did not come up at the trial on Tuesday, but it has been reported previously that Kayla Mueller was handed over to Baghdadi, who allegedly raped her repeatedly before killing her.句中加粗的两处，为什么不用过去完成时，明明这...

问题 不定冠词(a,an)表示“同一”的用法与例句

Tom and I are of an age. 汤姆和我同年。 All the desks are of a size. 所有这些课桌的大小都是一样的。 Birds of a feather flock together. 物以类聚，人以群分。 上面各句中的不定冠词均表示“同一”。请老师帮我归纳一下相关的用...

问题 这个benefits for是否应该改为benefits from

...h benefits for meditation,  many of which are supported by studies on the practice.  Still,  meditation has not become part of mainstream medicine.疑问：这个for感觉不太对劲。benefit for sth应该是对sth有利。而benefit from sth 是从sth中获利，这个句子的意...

问题 如何理解hot and cold water（冷热水）

在一篇英语习作中看到：The hotel provides hot and cold water all day.我对其中的hot and cold water 有疑问：它要表达的意思应该是“冷水”和“热水”，即既供应“冷水”也供应“热水”，但hot and cold water（冷热水）给人的感觉是一种水—...