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问题 crossroads还是crossroad的疑问

She says she has come to a crossroads in her life and must decide which way to go. 请问这里的 crossroads 为什么要用复数？

问题 定语从句be动词

A word is one and more sounds that in combination with a specific meaning assigned by a language. 这是个正确的句子，但我觉得that后应有一个are，请问老师是以上原句正确还是我的观点正确呢？ 谢谢老师!

问题 such as的语法分析

Children do not use inflections such as are used in mature adult speech.请问句子中的such as属于什么用法，such as是习语吗？它们作什么成分？

问题 一个难句的翻译

By this weekend the ice edge lay 128 kilometers at sea,but 40 years ago,it was 64 kilometers out. 这个句子如何翻译，谢谢！

问题 冠词的用法

Mrs. Taylor has ______ 8 years old daughter who has ______ gift for painting—she has wontwo national prizes. 答案是 an 和 a，为什么？第一个空后面不是有从句吗，为什么不能填 the？

问题 现在分词短语的用法

We are investigating complaints from customers about goods not being properly inspected before leaving the factory.not being...是什么用法，是现在分词短语作定语修饰goods吗？还是其它用法？

问题 是祈使句吗？

As you obtain the levels that you have set for yourself, always include a small reward at each point．本句中的动词include没有主语，是祈使句吗？

问题 翻译：时间间隔不能大于3天。

时间间隔不能大于3天。The time interval cannot be greater than 3 days.句中为什么需要加 be？

问题 sound 的理解与翻译

How does late this afternoon sound？今天下午怎么样？How does the idea sound? 这个意见怎样?请问这里的 sound 在句子中怎么理解？

问题 be available 的翻译

Mr Smith will captain the team if Jim isn’t available? 请问本句中的 Jim isn’t available 如何翻译? 谢谢!

问题 形容词修饰形容词

The stove was red hot. 火炉是炽热的。句中red是形容词，但他是什么成分呢？定语么？谢谢!

问题 be down to怎么理解

the British museum's increased popularity is down to its exhibitions.

问题 时态与语态选择题

Do you know how the war ________ .A.winsB.wonC.was wonD.had been won请老师逐个详细解答，谢谢。

问题 句子成分分析

听力里面的句子：And how strong is the evidence that climate change is happening that it's really something we need to be worried about?请问happening后面的that引导的是什么从句？

问题 hand的理解

Bill Clinton has appointed China hands to top Asia posts at the State and Treasury departments. 比尔克林顿已任命华人担任国务院和财政部中负责亚洲事务的要职。请问hand在文中怎么理解？