请教曹老师解惑：Everyone wants to reach the top of the mountain, but all the happiness happens while you _____ it.A climb B are climbing选择B进行体是正确的，甚至更佳，更能突出climb的延续性。但是A答案climb 的一般体也应该正确...
...前讨论过的句子：2)
What is going on here that is so important to where Florida
needed to steal this land from Alabama?麻烦提供一下先行词 what 此种用法的权威出处，如某权威语法书或惯用法辞书等。十分感谢。
比如特兰普发送的一条推特：Google is helping China and their military, but not the U.S. Terrible! The good news is that they helped Crooked Hillary Clinton, and not Trump....and how did that turn out?这里的Terrible可以改成Terribly吗？意思一样吗？
...道题，我不是很能理解：-- Professor Li is wanted on the phone. Where is he?-- I saw him coming, but in a minute, he _____.这里为什么要用disappeared，不能用has disappeared。为什么不能用现在完成时表示他已经不见了，强调对现在的影——他现在接不了...
Students should have access to good resources, which ______ beneficial to their study. A. are B. is有的人认为要用单数，which 指前面的 have access to good resources；有人认为要用复数，which指good resources。您怎么看？求分析！谢谢！
No jurisdiction so far has
tried using age verification methods like biometrics or government
identification to enforce a social media age cut-off, two of the methods being
trialed.这句话最后two of ......从语法结构是不是伴随状语？
the behaviour of a person when they feel that they are more important than other people, so that they are rude to them or do not consider them百度翻译对原文进行调整，例句发音部分来自牛津：【when they feel that they are more important than other people, so that they are rude t...