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问题 过去完成时不是要有明确的过去的时间做参照吗

语法填空中遇到这样一个句子:China speed is amazing the world. While other countries are struggling to make high-speed railway a reality, the China Railway  Corporation  had busied /has been busying itself in laying down over 25000 km of high-speed tracks over the past ten years - accou...

问题 英语专四语法题

1. Have you ever been in a situation ___you know the other person is right yet you cannot agree with him?A. where    B. that答案是关系副词where引导定语从句，但我不明白为什么不能选that？that引导的同位语从句对抽象名词situation进行解释，我觉得把that填...

问题 arrive in 和 arrive at 的具体用法

arrive in + 大地点;arrive at+ 小地点  中的“大地点”和“小地点”具体怎么划分？ arrive in the town 正确还是 arrive at the town？

问题 in doing sth作什么句子成分

He said he acted for the students in bringing out such a plan.请问这里的in bringing out such a plan 是什么句子成分?句子是什么意思?谢谢!

问题 in在此处的用法

In taking the veterinarian's oath, she had pledged herself to a code of honor that bound her to the care of animals but also bound her to the saving of human lives through medicine.请问句首的in在此处是什么意思？如果表示“在。。。期间”的话，后面句子是不是应该用...

问题 It is worth it中worth做什么成分

I have to work hard to live a normal life but it has been worth it. 中第一个和第二个it分别指代什么?第二个it做什么成分？

问题 Paris is an impressive place for( )love the a

请问这道题可不可以选A

问题 外加状语的理解与判断

He has not done so well ideologically, however, as organizationally.句中的 ideologically 和 organizationally 可以算是外加状语吗？如果不是的话算是什么语法现象呢？

问题 more than的语法分析

This one will not cost more than that one.这句话中 more是什么词性 than又是什么词性？

问题 in the hope that 这里that是引导同位语从句吗

在 Teenagers magazine - 青少年杂志上看到一句话：People dressed baby boys in blue in the hope that boys would be protected.请问专家：in the hope that 这里that是引导同位语从句吗？整个in the hope that + 同位语从句是表目的吗？另外，通常名词修饰名词...

问题 in enough sth 是个词组吗？为什么查不到呢？

He had been in enough briefings over the years. 这种简要介绍他听过多年啦。Have you ordered in enough envelopes this month? 这月你订足信封了吗 ?怎么感觉 in enough sth 像个词组似的，但是查不到？

问题 One in…作主语时谓语动词用单数还是复数

One in five pregnancies ______ (end) in miscarriage. 请问如何填？是填 end 还是填 ends？

问题 “被...覆盖”用be covered in还是with

with 和 in都有用什么覆盖的意思,那怎么区分它们不同的用法呢? 如: The road was covered with snow 还是in snow呢？

问题 in case后接虚拟语气

I don’t think Helen will be upset, but I’ll see her in case ____.A. she will                  B. she isC. she does              D. she would请问老师这个用虚拟语气还是陈述语气？还有in case从句后的虚拟一般都是用should是吗？

问题 relate in 和relate to 用法有什么区别

relate in 和relate to 用法有什么区别？常用的是relate to，但有时候在听力中听到relate in。