We can do a wide variety of things for our clients: we can type all their letters and prepare any documents that they might need sending out.老师们好，请问这句话中的they到底是指clients 还是documents? 后面的that从句是同位语从句吗？（意思有点怪怪的！）
...cinemas slowly coming back online, it remains to be seen if this nostalgia for drive-ins will last.这一块是with+宾语+现在分词作宾补。可是我们有同学问：为什么不可以是with+(动名词逻辑主语+动名词)这样来分析呢？ 即with+动名词复合结构呢？
...ment 则含有被动的意味。给出了一个例句：Discovering a cure for AIDS would be a major medical advance．但是我觉得 discovering 这个动作还是由人来完成的，说到底这个进步还是被动的啊。弄不清楚区别到底在哪里，请老师讲解，谢谢！
A mighty long river sometimes flows through a broad section with plains lying boundless on either sides, its water rolling on non-stop for thousands upon thousands of miles.句子里its water rolling on non-stop是一个独立主格结构还是前面with复合结构的成分？
Mr. White works with a chemicals import & export company, but he---- for this industrial fair, since he is on leave.为什么现在进行时is working可以，而现在完成时has been working不对？由于怀特先生在休假，所以最近都在这个工业展览会帮忙，怎么不对？...
I forget who it was that recommended men fortheir soul's good to do each day two things they disliked.who it was that recommended men...这是强调句吗？ 如果是，为什么不是陈述语序it was who that recommended men... ？
as引导的倒装不是应该这样的吗：Tired
as he may be, he still works hard.所以,
as unpleasant as feelings of failure may be 是倒装吗？However,
as unpleasant as feelings of failure may be, they're actually good for you.这句是倒装吗？为什么倒装?
...的问题。1 Upon entry, China has agreed to open its Internet market to foreign participation, making possible previously unthinkable arrangements like the AOL-Legend link.2 They have invested huge amounts of money to improve intimal security, making it almost impossible forthe Scots to stage any...