...如下问题：老师帮我看看我写的对不？ the percentage of factors that influence student’s choices to a college or university. 介词用的对么？意思是说，影响学生选择大学的因素的百分百。谢谢老师，真心谢谢帮我看看，我不确定。
She stood there motionless, her eyes filled with tears—whether of shame, frustration, or grief it was difficult to tell. 请问老师句中的of是什么成分，什么意思？此句中的 of 是否是省略后的结构？
...y experience the "Aha!" — when something you never understood, or something you never knew was a mystery, becomes clear.两个 something 是并列主语，第二个 something you never knew 后面是否省略了（that）was a mystery？请老师分析下结构？老师，不好意思，...
In
1300 or so Marco Polo, a Venetian merchant, introduce Europeans to a monetary
marvel witnessed in China.把A介绍给B应该是introduce A to B，但这句话的意思为什么是反着的：把欧洲人介绍给金融奇迹。可按道理不应该是introduce a monetary witnessed in China to Eur...
Pain is the feeling of great discomfort you have, for example when you
have been hurt or when you are ill.you have 的中心语是 the feeling of great discomfort 还是 great
discomfort?
...从句表示结果： What has happened that you should weep? What have I done that you should be angry with me? Where has he been that he should look so tired? How have they been treated by their brother that they should speak ill of him? Who am I that I should advise a man of your experience? Am I...
It was therefore rather difficult for them to find time to do all their other duties....at still others,they do not have either to stop or to go slow,....老师，副词可以这样放吗，这是小说排版问题，还是副词位置的灵活性？
It was porters and large or small horse caravans that brought back and forth goods inclu-ding tea , horses , fur and traditional Tibetan medicine along the Road.这里porters and caravans明显是复数，是因为看成整体所以用it来强调吗？
When I grow old one day, please be good to me and try to understand me.
If I get dirty when eating or if I cannot dress, help me, remember the hours I
spent teaching it to you.这里的it指什么呢，指动词eating和dress嘛？it可以指代动词嘛？
老师好！上面文字摘自绘本故事《Alexsander,who used to be rich last Sunday》，请教老师画框句子的结构和意思：Except the way I rescued it from being melted or smushed was that I ate
it. How was I supposed to know it was Anthony's?谢谢老师!
Pausanias, who was a Greek writer about 2,000 years ago, has come on a magical journey on March 18th, 2007 to find out about the present-day Olympic Games.【问题】这是新课标人教版高中英语必修2的句子。这句话使用现在完成时，是否正确？
请问老师：which引导的非限制性定语从句，是修饰前面整个句子吗？which做主语指代“All citrus fruits grow on trees that are evergreen”这件事，对吗？All citrus fruits grow on trees that are evergreen, which means they don't drop their leaves in the fall.