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问题 on a checkout line搭配不太规范吧

HOW WILL you know if the person next to you on a bus, aeroplane or checkout line is infectious with covid-19? checkout line前用at才符合习惯吧。谢谢各位大咖专家老师！

问题 定语从句可以和条件状语从句连在一起用吗(...which if...)

The greatest mental wealth is confidence, which if you have you will have all the world.  这么写可以吗？

问题 must be与must have been的区别

She must have been fifty or so when I first met her at a conference.请问这句话中谓语为什么是 must have been,而不能是 must be?

问题 现在分词的逻辑主语分析+which的指代问题

Facebook unveiled an upgraded “Like” button for responding to posts on its social network, adding options for “love”, “haha” ,“yay”, “wow”, “sad” and angry”, each with its own icon. This will give the company more data with which to personalise its users' news feeds.&nb...

问题 从句语法分析

...句子 that it would otherwise....做什么成分，是什么从句。It must be the case that an event, because it has a certain mental property (e.g., being a desire for a drink of water), enters into a causal relation (e.g., it causes you to look for a water fountain) that it would otherwise not ...

问题 请教一个指代的问题

...eel stress and pressure at a young age. According to Elkind, not only does this cause the child emotional distress, it also fails to bring the intended cognitive gains.第2句的this指代什么？是push children so rapidly还是feel stress and pressure at a young age？

问题 must be与must have been的区别

我知道，must be 表示现在，must have been 表示过去，但在具体使用时总是分不清，尤其是常常在该用must have been 的时候误用must be，请专家们指点指点! 谢谢!

问题 You shouldn't be here.是的 here 是地点代词还是副词

You shouldn't be here.请教这里的 here 是地点代词还是副词呢？

问题 谓语并列问题（You were, are, and will be...）

请问老师，这句语法有问题吗？我请教了一位初中老师说这个句子大错特错，有问题，她说英语句子中只能有一个谓语：You were, are, and will be in my heart.

问题 head of加不加冠词

Suppose you were head of a major soft-drinks company and you want to break into a certain overseas market where the growth potential for your company is likely to be very great indeed.head of 是某个单位的头头，怎么不加冠词呢，是固定用法吗？

问题 被动语态可否省略介词

Every minute must be made use of to improve our spoken English.You can make a good use of studying in the school.Studying in the school should be made a good use of？We should make full use of our spare time to study.Our spa...

问题 关于though引导的从句使用虚拟语气的问题

...让步、防备等含义。”并举了此例句：Though everyone desert you, I will not.　　然而在183页又说：“were-型虚拟式常用于由if, if only, as if, as though, though引导的条件状语和让步状语分句中，表示非真实的条件或让步。并举了此例句：Though...

问题 关于动词名词化和代词后加数词问题

...broadening是表示名词的意思，那这是什么用法呢？2. Check with your partner and see if you two agree.这里的人称代词you后加数词是表示强调吗？two是同位语吗？3. only是是后位限定词吗？

问题 不定式做表语省略了to吗

...e to people we love — give memorable things according to our ability. If you could give your child a horse, say, that would be fine. But if you can't, give her a little locket or a book of verse." What we ought to do is give to people we love这个give怎么不带to，不定式做表...

问题 this humble acknowledgment that的句法结构分析

老师你好，我很难理解下面的this humble acknowledgment that的句法结构:It's what bell hooks called "revolutionary parenting," this humble acknowledgment that kids are healthier when they have a wider range of adults to emulate and count on. Turns out, adul...