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问题 时态问题

下面这段对话中,空白处最好使用什么时态呢？A: They have announced that the flight ___ (delay) until four o’clock. B: I’m just wondering how we are going to kill these two hours.答案： has been delayed我请问下，使用will be delayed 可以吗？如果可以，有什...

问题 whereby用法疑问

为什么字典上标注的副词，但是他的用法看着不是呢？ They have introduced a new system whereby all employees must undergo regular training. a proposal whereby EU citizens would be allowed to reside anywhere in the EU 它应该怎么用？

问题 encourage的主语是哪个

Now, the museum is holding workshops that encourage children to learn similar skills -- and they’re still very popular.这里的encourage的主语是workshop吗？还是成立工作室这件事？

问题 refuse和decline区别

Out of a pity, I offered to help the old man up, but he ___ smilingly.A. refused   B. declined 用哪个呢？这两个单词 有什么区别呢？

问题 neither...nor

And as I had with me neither a mechanic nor any passengers, I set myself to attempt the difficult repairs all alone. 曹老师，请教had with在句子中的意思，并体现neither...nor既没有，也没有的，算是固定的搭配吗？谢谢老师

问题 宾语从句时态问题

老师你好请问：He was hoping to take part in the drivers license test, but his parents ______ that they won’t support him unless he can save money by himself.为什么填have decided 而不是decided？

问题 请问这个possible是宾补吗

Composure is a state of mind made possible by the structuring of one's relation to one's environment.请问这个possible是宾补吗？

问题 On 的用法

What they don’t know is that the invitation will send them on a quest to save Camelot.上面的句子为什么有介词on 呢？On 在这个句子里面的意思是相当于about 吗？我日常只知道有send sb sth 的用法？

问题 how much用法

These work by decreasing how much the muscle is able to contract, and work very well in reducing dynamic wrinkles," Vukmer said. 这句话的how much怎么理解？修饰miscle吗？多少肌肉吗？还是做程度讲？

问题 关于to疑惑

Is there an adaptive value to limited intelligence?请问一下这里的to是介词吗，to limited intelligence 这里介词短语修饰value，我看答案给的翻译是：有限的智力是否具有适应性价值呢？请老师解答一下疑惑？ 

问题 threaten to 的用法

threaten to在什么情况下有be likely to 的意思？危及海洋生物为什么不能用threaten to marine organism，而是threaten marine organism？

问题 seem to be going well怎么语法分析

A seem to be going well.为什么有的材料说seem to是复合谓语和have to一样。分析方法一：seem to be做复合谓语的话，going就是动名词做宾语，well副词修饰什么？分析方法二：如果seem是谓语的话，to be going是不定式的进行体作为宾语。就是...

问题 have sb doing sth的用法归纳

He had the light burning all night. 他让灯亮了一整夜。He won’t have boys arriving late. 他不允许孩子们迟到。It cramps my style to have you watching over me all the time. 你老是盯着我使我放不开手脚。以上几句都属于 have sb doing sth，但它们的用法好像...

问题 祈使句的否定式变间接引语的另类方法

...的直接引语变为间接引语，每空填一词：“Don’t tell him the news,” she said.She ______ ______ ______ ______ ______ tell him the news.我只知道，将否定的祈使句变为间接引语时是用 ask / tell / order sb not to do sth，但用这个句式做上面这道引语题时...

问题 as... and although...是并列句吗

...dentism came diets too closely centered on a single crop, such as wheat in the Old World and maize in the New, and although sedentism encouraged population growth, such growth seems to have been that of a “forced” population with a considerably diminished nutritional status.As we have already no...