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问题 如何区分一般将来时和将来完成时

By 2020，scientists surely _________ a cure for AIDS.A.will discoverB.will be discoveringC.must discoverD.will have discovered

问题 terrifying terrified区别

What he saw shocked and terrified him.The prime minister was staring at him.I felt it terrifying to be surrounded by a large number of people who dressed up as gosts.1.shocked and terrified 做后置定语修饰what么，为什么用过去分词呢？2.第二句为什么用现在分词呢

问题 terrifying, terrified区别

What he saw shocked and terrified him.The prime minister was staring at him.I felt it terrifying to be surrounded by a large number of people who dressed up as gosts.1.shocked and terrified 做后置定语修饰what么，为什么用过去分词呢？2.第二句为什么用现在分词呢

问题 关于after从句的疑问

After I was arrested by the police,I was taken to the police station.请教老师可以把after从句换成一下几句吗，意思应该都一样的吧After being arrested by the policeAfter having been arrested by the policeHaving been arrested by the policeArrested by the police

问题 in a way that...是什么语法

Our goal should be to look at the world  in a way that takes nothing for granted.

问题 翻译不同时态

...grow flowers in the greenhouse. We must expose them to all social problems because very soon they will be dealing with them as responsible citizens. 可以是they will deal with吗？

问题 请问这个句子成分怎么分析

He was so experienced and so business-like, however, that he came very near being rude— failing to remember, as he did, that the individuals he was trying to instruct were volunteer players and not salaried underlings.

问题 short in duration怎么理解?

请问这个short in duration 词组是一体的吗? 还是说 lax and unstressed and short 共用 in duration这个部分? The important thing is that the vowel needs to be lax and unstressed,and short in duration.

问题 句子成分不明确，翻译不通顺

Instead of casting a wistful glance backward at all the species we have left in the dust I.Q.-wise,it implicitly asks what the real costs of our own intelligence might be.

问题 关于appreciate作感激时的用法

请问老师，今天在一篇范文中看到这么一句话: You will be appreciated by these children.我记得appreciate作感激讲时一般接某事，接某人时一般作欣赏讲，那范文中这样的表达可以模仿吗？

问题 as if 虚拟语气的用法

He sang and danced as if he ________(be) the only person in the world?答案是were,请问为什么不用had beenas if 虚拟的规则：与过去事实相反，从句谓语动词用had done.

问题 planning在句子中的成分

请问各位老师，以下这个句子：The evidence from Russia and Ukraine pointed towards President Vladimir Putin planning what could be the biggest war in Europe since 1945.此处President Vladimir Putin planning的planning是做什么成分呢？

问题 虚拟语气和委婉语气

...师您好，我想请问一下 if you could give me a message，ｉ would be grateful 这里的could是用的委婉语气的用法还是对现在进行虚拟是can 的过去式的用法的？could you open the window ？委婉语气是否属于虚拟语气呢？能不能一半虚拟一半真实就...

问题 该定语从句的介词不能漏掉

下句摘自某教辅习题Our teacher told us to build a "time capsule", a box in which we put things we think people in the future will be interested.我认为句末的interested应该有介词in才对。盼专家老师就此分析一下，谢谢。

问题 promise后的宾语从句只能用将来时态吗

...ek. 她答应过会每周写信的。 I promise I’ll pay you back, on my honour. 我以人格担保，一定把钱还给你。 I promised him that you would do the work. Why did you let me down by doing so little? 我答应他说你会做这工作的。你为什么干得这么少而让我...