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问题 once every five years中的once可以省略吗

在下列句子中，在时间名词前为什么一定要加 once？可以省略吗？加不加 once 有什么区别？I buy a new car once every five years.

问题 过去进行时和过去完成进行时区分

...懂？    Despite the message, the captain of the Elkor decided to try once more. The sea bed was scoured with powerful nets and there was tremendous excitement on board when a chest was raised from the bottom. 2a) 这一句there was tremendous excitement on board went a chest was raised from the...

问题 once与once upon a time的区别

请专家老师讲讲 once 与 once upon a time 的区别问题。谢谢！

问题 after使用过去完成时的意义

...s. Bussman commented on the workman's close resemblance to her husband and even suggested that he might be his brother. Franz poured scorn on the idea, pointing out that his brother had been killed in action during the war. Though Mrs. Busssman fully acquainted with this story, she thought that ther...

问题 against在这个句子中是什么意思？

I agree to be responsible for all materials borrowed against my Edward Public Library card.

问题 四川大学2017年第四篇考博阅读

...ime to edit Wikipedia are not typical people, nor are book translators (or even bilingual Twitter users). But they do play an outsized role in the transmission of culture across borders. The main finding of the paper is that people are more likely to become globally famous (as measured, in part, amo...

问题 此处plays和moves如何理解

Basketball's quick pace and dynamic plays are in contrast to the much slower moves in baseball or even in much of soccer and American football.

问题 请问as是什么成分

I hope you will share my delight in watching as simple, even naive, questions lead to remarkable solutions and purely theoretical discoveries find unanticipated applications.请问as是什么成分？watching后是由and连接的两个省略that的宾语从句吗？

问题 商榷：人教版高中英语新教材的这个句子符合事实吗

...he ___________ and stones. The volunteers also visit middle schools in the area in order to talk to local teenagers. Liu Bin, a member of the camp, says that he is __________ to help Mount Tai as people have done for more than 3,000 years. 见：https://www.cpsenglish.com/question/54128我觉得加...

问题 最后一小句，为什么逗号后直接跟谓语动词double?省略主语的话不需要加上连接词and 吗?

Even as profits slumped, investors in the s&p 500 benchmark index earned 14.3% in 2020, about double the typical return over the past 20 years. 

问题 before短语是状语还是定语

The decision was made against the advice of America’s generals, who had warned Mr Biden (and Donald Trump before him) not to pull out.原因是什么？谢谢各位老师！

问题 求教一篇英语文章的主旨解析 - 因为你与我同在

... in that valley, that someone will be with me, whether it's God, a friend, even a stranger."Then he turned serious. "Maybe you'll be the one lending a hand down in the valley someday."When I enter Pete's home, he's in the bedroom with Jimmie's body, sitting on the bed stroking her hair.I sit beside ...

问题 请教介词短语修饰的成分

This attack was retribution for generations of atrocities committed by A against innocent B.The impacts have wreaked havoc on power, transportation, and desalinization infrastructure far beyond the immediate blast zones.1.第一句话有两处理解不好：1)generations of atrocities中of在...

问题 句子结构分析和翻译: there are only specific essential pieces to the wardrobe that are necessary

... few wardrobe items can last a long time. Parents could also enjoy an easy morning, as it will take less time to choose a set of clothes for the school day.上面是摘自一篇关于校服的文章，阅读到黑体文字部分no matter what the school's policy is,there are only specific essential ...

问题 from those 或 that 中， those和that指代的逻辑理解困惑

...eminent services during the war had been rewarded. We arranged to spend an evening together for old time's sake, and when I agreed to dine with him, he proposed that he should ask nobody else, so that we could chat without interruption. He had a beautiful old house in Queen Anne Street, and being a ...