We don't know what we've got until we lose it,but it's also true that we don't know what we've been missing until it arrives.为什么用 have been missing，不能用别的？谢谢！
The social, cultural, environmental health and economic significance of leisure and events haveincreased in New Zealandand around the world.这个句子的主语是 significance 是单数，为什么谓语是 haveincreased 而不是 has increased？
You gotta learn to hide things better.We need to do things better.Garrison hired Alter to kill his boss.Are you going to drag these pinheads out of our common room?这是一个困扰我很久却一直不能彻底解决的问题，尽管答疑网上各类相关问题中，老师...
...elements are is known to the students. （作表语）What motive he could have had is not quite clear to us. （作定语）第4个what motive这里的what应该叫连接形容词？Which is the best of all those ways is uncertain.（做主语）Which design is the best must be tried in practice....
I work hard so thatI may pass the exam. 我努力学习为的是通过考试。I work hard so thatI can pass the exam. 请问老师这里的 may 和 can 有什么意思上的区别吗？译文上并没有把以may 译成“可能” 或含有“不确定”的意思。
...下：1. I went to Ametica only to find he was no longer the man which / that he had been.这个句子可以用which吗？如果能提供相关的词典例句更好。2. He is not the man who / that / which I think he is.这个句子可以用who, that, which？只是意思有所不同？这个句子...
Then his head fell forward on to the table, and soon afterwards I too remembered no more of that wild evening.老师，on to 跟 noto 一样吗？too...no more of...如何理解？
The album will be
released soon. Andit is said that there is a accordion in it, which I think
has a very pleasant sound.请问这句话中which引导先行词accordion的用法对吗？
..., it was only after four years and four tries of different business models thatits entrepreneur finally succeeded, and became the chairman of one of the largest Internet companies.这是某英语机构给出的一篇考研范文中的例句，以下是给出的翻译：例如，我本人曾在一...
...。"（是我想要的，计划好的）就用be going to , I'm going to have a
party next week.而will 表示客观发生“我篮球比赛要迟到了。”（不是我想要的，客观发生）就用willI will be late for a basketballgame.我个人认为上述那样的讲解不准确。“下周...