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问题 动词mark的含义理解？

CNN:《The history and future of ice cream》That does change the fundamentals of how we work as a business. But there's one obstacle that's marked ice cream makers since the industry's earliest days. How do you sale the icy delight when it's cold outside ?Unilever thought that home delivery and m...

问题 Each time到底算是引导词还是先行词

Each time he came, he did his best to help us.1.有人说是省略了when的定语从句以time, day, week, month,year等为先行词的限制性定语从句，如果先行词在定语从句中做状语，通常以when引导，但在在某些句型和某些时间状语中，人们通常省略when...

问题 关于什么时候用完成时什么时候用过去式的辨析

It's reported that the 2020 Tokyo Summer Olympic Games ______ to 2021 because of the coronavirus outbreak. 选项有Will put off.  Were put off.  Have been put off. 正确答案是第三个，请问第二个和三个的区别，如何辨析，谢谢

问题 关于过去式和完成时的问题（详见问题描述）

A: I hear you _____(get) lost on your way to the hotel.B: I don’t know how I did it. I have been here a million times.为什么这里要填 got 而不填写 have got？题目来自于《英语语法新思维（中）》P162

问题 关于be a generous lot的短语句式分析

During two years of the pandemic, Americans continued to be a generous lot.在疫情的两年里，美国人依然慷慨大方。这里的 be a generous lot怎么理解的？这里的lot是作后置定语修饰generous？那么 be a generous lot中的 "a" 可不可以去掉，变成be generous lot...

问题 现在分词和过去分词区分

To the men and women who served in World War II and the people they liberated，the G.I. was the common man grown into hero，the poor farm kid torn away from his home，the guy who bore all the burdens of battle，who slept in cold foxholes，who went without the necessities of food and shelter，w...

问题 房子的窗户是用介词in还是of

...e in the wall. 那囚犯从墙上的缺口处逃走了。We used a picture to cover up a hole in the wall. 我们用一幅画盖住了墙上的洞。但如果要表示房子的窗户呢？用什么介词？是介词 in 还是 of？谢谢解答！

问题 人名前可以有哪些修饰语来修饰

...er. 一位名叫史密斯先生的人要找经理。The Green she is going to marry is my cousin. 她要嫁的那个格林是我的表堂兄。请问，除用冠词修饰外，人名还可以用哪些修饰语来修饰？请专家老师归纳一下，谢谢！

问题 duty后面是接不定式还是of doing sth作宾语

假若要表示有责任或义务做某事，名词 duty 后面是接不定式 to do sth 作定语，还是接介词结构 of doing sth 作定语？

问题 masses of work的用法疑问(涉及单数与复数问题)

有这样一个句子：There’s masses of work for you children to do. 这个句子对吗？如果不对，为什么？如果对，我有以下疑问：1. work 是不可数名词，可以用复数形式的 masses of 修饰吗？2. 既然用了 masses of…，为什么用单数谓语 is，而不用...

问题 英语同位语的判断与识别一例

...minists, who often protested against their sexual objectification, many of today’s young women claim to find it empowering.请问：粗体部分的句子是不是作同位语，解释说明 “Girls & Sex”？

问题 as stated on the following page中的as是否可省略

I agree to abide by the terms and conditions as stated on the following page.请问句中的 as 是否可省略？

问题 have a lot of help是什么意思

I don't want to diminish her achievements, but she really have a lot of help.我不是想贬低她的成就，但是她确实得到了许多帮助。请问后面的 have a lot of help 是说从别的地方得到了许多帮助吗？整句话的意思是她的成就并不是她一个人的功劳...

问题 shall need 与 should need 用法辨析

If your car______any attention during the first 12 months, take it to an authorized dealer.A. shall need  B.should need这题练习题答案为A, 但网上有许多人给的答案是B。我个人比较倾向于A 感觉并不是虚拟语气，因为车子在头12个月也是有可能需要被“...

问题 为什么against time是副词短语而不是介词短语

It was a real race ______ time to get the project done. Luckily,we made it. A. over B. by C. for D. against 答案给出的解释是against是副词短语，为什么不是介词短语啊?感谢老师的回答！