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问题 be joined by是什么意思

Hello and welcome to School Talk! Today I’m joined by a former student of our school, Lisa Osborne.这是外研版新教材高中英语必修一第1单元中的句子(p9)。请问句中的 I’m joined by...是什么意思？什么用法？

问题 as...as结构后面的介词可否省略

His father began to work ____ his childhood.A. since        B. beforeC. as early as    D. while这个题目答案选C，是否省略了介词 in？第二个as 是连词，常省略动词部分我知道，但是介词不应该省略吧?

问题 新概念三第57课( 过去完成时)

He became mortally ill a few months before we had planned to go ......书上的解释是：在他计划回国的前几个月，他突然身患绝症。时间顺序上说，他生病在前，计划回国在后，为什么反而计划回国用了过去完成时呢？

问题 定语从句翻译问题

American data worsened by roughly a thousand tonnes each iteration and the massiveness of the figures was worthy of the repetition it would receive if compared with Poland, Ireland, Portugal in one paragraph and with the Asian countries in the next paragraph.麻烦各位老师帮我看一下这个...

问题 这里用must表肯定猜测为什么不可以

Look at the clouds .It __ rain. A.must B.is going to C.may D.will 这里用must表肯定猜测为什么不可以?

问题 know sb do/to do/doing的用法

I’ve known him ____ (eat) a pound of snails.请问如何填？谢谢！

问题 having done 用作伴随状语吗

Bob, ____ Japanese at college, offered to translate the article for me.A. learned       B. having learnedC. being learned  D. to have learned各位老师好，这个题网上的答案都是选B，我知道having done 结构不能作定语，那么这里选B是作伴随状语吗？还是说答...

问题 逗号+vice versa是省略句吗

例句：the centre was simultaneously looking to a time when leading researchers could also be artists, writers and poets, and vice versa. 如果把vice versa整体当作副词的话为什么前面加了and？这是并列什么？

问题 定语从句中指人为什么用 which 不用 who

He is a good swimmer, which I am not.请问这里的 which I am not 是非限制性定语从句吧，它修饰的先行词不是指人吗？为什么用 which 而不用 who 啊？

问题 几个句子中的for介短所做的成分和用法问题以及对for的一个释义中的部分内容的疑问

请问曹荣禄老师：①For her, books were as necessary to life as bread.②What matters for most scientists is money and facilities.③It’s useless for us to continue.1. 这三个句子中的三个for介短在意思和用法上有区别吗？是同一种意思和用法吗？这三个for介短...

问题 不定式作定语用主动式还是被动式

That is a question to be worked out. 句中的不定式用被动式对不对？因为 work out question没有主语？

问题 句末的“动词+介词”（后面可以不加成分吗）

I member a very superior young man who found three little girls extremely tiresome to deal with.疑问：经常看到这样句尾一个动介词组（动词+介词），请问它后面不是一定要加成分么？

问题 to be disappointd在句中作什么成分

There's no reason to be disappointed. As a matter of fact, this could be rather amusing.to be disappointd 在句中作什么成分？

问题 长难句分析

While in America the  trend started as a reaction to the economic decline—after the mass redundancies caused  by downsizing in the late '80s—and is still linked to the politics of thrift,in Britain,at least among the middle class downshifters of my acquaintance,we have different re...

问题 usually 后是同位语还是省略句

Above the gate is a horizontal scroll bearing an inscription,usually an auspicious phrase. 翻译：在门上面的横批通常是一个吉祥的短语。usually前为什么不加and,是因为后面是同位语吗？