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问题 过去时与现在完成时的区分

...wonder what makes him a good English teacher.—He ________ as a volunteer in the UK for three years, which helps with his work a lot.A. served    B. has served    C. serves    D. had served老师，这题选A,但是看解析还是不能说服自己，我觉得B也可...

问题 sb is hopeful to do sth 的说法对吗

"Therefore, the epidemic is very hopeful to be kept in check within the first quarter, with controllable impacts on China's economy for the whole year, despite its severe short-term damage," Chen said.查了牛津和科斯林，并没有sb is hopeful to do sth. 请问这里是否使用...

问题 现在分词与过去分词做定语知识模糊 leave用法知识模糊

The insect spraying over the weekend left morethan 2 million bees dead on the spot in Dorchester County，South Carolina, 周末喷洒的昆虫使得南卡罗来纳州多尔切斯特县的蜜蜂死亡超过200万只蜜蜂. ①喷洒的昆虫。喷洒为什么不用过去分词作定语翻译为被...

问题 修饰evidence的同位语的逻辑问题

The police have found a rifle in his house,which is a strong evidence that he is the man who commited the slaughter.本句中that引导的从句很明显是evidence的同位语从句。但是学生有一个疑惑，这个同位语从句并不是evidence的内容，evidence的内容不应该是“rif...

问题 请教句子成分

China has taken another solid step toward realizing its ambitious climate targets by making public a concrete action plan on Tuesday for peaking carbon dioxide emissions before 2030.The plan includes specific targets for different sectors as it forges ahead to phase out coal consumption and increase...

问题 是省略了系动词还是定语修饰

我在一本杂志上看到的：stars shining the world 还有一句，是芝麻街的一本书：the monster at the end of the book

问题 know可用于现在进行时态吗

老师说know是表示心理状态的动词，不能用于进行时态，但是下面这句不是了现在进行吗？这是为什么？Part of good customer relations is knowing how to deal with complaints.

问题 hope用于进行时态的疑问

The institute's researchers are hoping to diversify the genetic code of cheetahs.怎样理解这句话谓语 are hoping 的时态？是正在进行的动作还是将来的后，还是一般性的动作？

问题 无动词分句的使用

...子里，无动词分句使用是否正确？There are pros and cons of starting a business while at college.按理说无动词分句的主语要跟主句主语一致，但是这个句子里，主句是there be句型，这种情况下可以用无动词分句么？谢谢各位老师。

问题 经济学人的一个长难句解释

英文：Pakistan retaliated by sending jets of its own to bomb Indian targets中文：本句中send的用法是“send sth sth”？怎么断句理解。

问题 被动语态的时态问题

The Brief History of Time ___ by Steven Hawking. It is a great book about science.A  is written   B was written 难道该句子只能用被动态的过去时？有无可能用一般现在时来被动表示“客观的常识，还有常态化的含义？

问题 是不是省略了动词be

The pictures subtly reflect the social phenomenon of idol worship prevalent among teenagers nowadays.prevalent前面为什么不用加be动词，是不是省略了？如果不是如何理解这个句子结构？谢谢！

问题 这里的present themselves如何理解

Nothing lay ahead us but exertion,struggle, and perverance.Those who are able to took advantage of the oportunities for success and happiness that present themselves.

问题 英语句子翻译疑问

...on its "value menu" now account for around 20% of all sales, up from 12% last October.这句话该如何翻译是好？特别是红色部分该如何理解，求大佬指导

问题 不定式作主补还是目的

His son was left to dispose his legacy and replace him as the chairman of the board.to dispose his ...不定式在这里作主补还是目的?而as the chairman..是表示条件么，还是方式？