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问题 since从句的理解与时态难点

The library ______for more than 60 years since it _____ in 1940. A. has been open; opened B. has been opened; opened C. has opened; was open D. has been open; was open 正确答案为A。但 D 为何不可以呢?有资料说,当 since 引导的状语从句的谓语动词是延续性...

问题 时间不明确时如何推测情态动词所表示的时间

...目: Her birthday was a week ago, so it _______ (can't / be ) on the 25th. A. can't be    B. can't have been 我不太明白25日是说话之后的日子,还是之前,所以不知道应该用对过去的推测,还是对现在的推测。请专家指教,谢...

问题 in enough sth 是个词组吗?为什么查不到呢?

He had been in enough briefings over the years. 这种简要介绍他听过多年啦。Have you ordered in enough envelopes this month? 这月你订足信封了吗 ?怎么感觉 in enough sth 像个词组似的,但是查不到?

问题 would+do是对过去习惯的推测还是表示过去习惯做某事

Before his retirement he would catch the early bus every morning.请问老师,上句中的would是对过去习惯的推测吗?一直以为是过去习惯做某事,可是看到有书说这是对过去习惯的推测,不太明白两者有什么不同?谢谢老师的解答。

问题 动词时态选择题(涉及过去完成进行时等)

When I saw the mess my paper was in,it was obvious that someone             it.A.was reading   B.had read   C.had been reading   D.read请老师详细讲解这道题为什么选C项而不选其他项啊?谢谢老师啦

问题 关于where关系副词的范围划分问题

Economy:The process or system by which goods and services are produced, sold, and bought in a country or region韦氏高阶词典问题:这条定义当中的by which能否替换成where作为”抽象性地方名词process/system”的关系副词去自行理解。常用的关系副词why/where/...

问题 时态问题

...(表事件也可以,详疑问2)例如: I get up at 6:00 every day these years. (时间长度就是最近几年)如果现在也可以是很长一段时间的话?很多动态动词是不是可以用了?疑问4:“一般体”一定表达一个事件的完整过程吗,发生并结束吗...

问题 时态问题

...(表事件也可以,详疑问2)例如: I get up at 6:00 every day these years. (时间长度就是最近几年)如果现在也可以是很长一段时间的话?很多动态动词是不是可以用了?疑问4:“一般体”一定表达一个事件的完整过程吗,发生并结束吗...

问题 too many与so many 的用法区别

How could the boy remember ____ many uncommon Chinese characters?A. very              B. so                C. such                   D. too答案是 B 项(so),选择 D 项 to...

问题 无生命的名词构成所有格表示主谓、动宾、主宾、主补关系的疑问

A's B在表示主谓、动宾、主宾、主补关系时,A可以是物吗?如:the plan's arrivalthe garbage's disposethe sword's makerthe dam's majestic  

问题 be being done 与 be getting done 的区别

The two partners disputed over their assets when they were getting disbanded.请问,这里的 进行时被动,用getting和用being有什么区别?  另外,对于"解散" 这个动作,也可以用进行时来表达么?*不知道放在这个分类里对了么,不对的话还请管理...

问题 定语从句 with which和in which,如何理解用法含义?

Strickland gave the polite little laugh with which people acknowledge a facetiousness in which they see nothing funny, but did not speak.上面出现的2处定语从句 with which和in which, 我很难理解。不知道怎么翻译?麻烦老师分析句意,如何逐一翻译呢?

问题 及物动词后面加了副词修饰然后再加宾语,这样可以吗?

请问一下各位老师,这个第二题可以填 think twice吗?我在有道词典上查think作为及物动词有想的意思,twice作为副词修饰及物动词think,然后第二题空后面的the problem…到句子结尾做及物动词think的宾语可以吗?谢谢答疑

问题 一道完成时态或过去时的填空题

I am sorry you ______ the last bus. It left ten minutes ago. A. have lost B. lost C. missed D. have missed. 此题我认为应选C,理由是It left ten minutes ago 未提到对现在的影响,应该用过去时。但觉得选D似乎也可,因为我找了一些例句,发现I a...

问题 如何区分现在分词短语作原因状语还是伴随状语

I have had it with this old car breaking down all the time! 这辆旧车总坏,我受够了!请问这个句子中的现在分词短语是原因为状语还是伴随状语?我感觉既可看作是原因状语,也可看作是伴随状语。我的理解是:作原因状语:因为“这...