It’s best to contact a guide to learn about accessing these falls, which include those further upstream in the Seven Sisters group.上文中的 which include 可以换用 including 吗, 是所有的 including 都可以换成 which include 吗？谢谢老师回答。
Singapore has a land reclamation project that builds up additional land from the sea floor.这句话从that充当成分来说是定语从句，但是感觉意义上that的引导的句子是对project的解释说明。那么到底是什么从句呢?
Once the sands have run out of a person's hourglass, they cannot be replaced. 1. sand 作沙子时是不可数名词，但是这句的意思是沙子从沙漏计时器中跑走了，怎么用了-s复数形式。我看算了网上有的说法是强调一粒粒沙子，是这样么?2. sands ...
After the first man landed on the moon in 1969 , The scientists thought hotels would ___on the moon by the year 2000
请问这里应该填什么？
a, Would have been built
b, Would be built
这里后边儿用了by ，是不是更应该用，过去将来完成时。
Having been delayed by heavy traffic,_______.A.it is impossible for her to arrive on time B.it led to her being late C.she arrived late D.her friend thought that she would be late
If there is a lot of work __________, I’m happy to just keep on until it is finished.
A. to do B. to be doing C. done D. doing
这里是动宾关系，为什么却用主动形式to do呢？
Humans have an intense desire to avoid pain, no matter how short term, and most will comply with the demands of a torturer to avoid the pain.请问句子里no matter how short term省略了什么成分？
We still truly believe that she is merely a scapegoat and she's innocent as we have already submitted much earlier in the day was the fact that there was no direct evidence that she applied anything on him.请问老师蓝字部分怎么划分成分。submitted much 的much怎么理解呢，...
Sir Alexander Fleming did not, as legend would have it, look at the mold on a piece of cheese and get the idea for penicillin there and then. 这句话怎么理解呢？as引导的是什么句式，怎么翻译呢？