He sat down beside Christina, propping his feet up on the railing, feeling the warmth of the sun against his face, able to relax forthe first time in days.句中，against可否换成on/upon, 二者使用在本句中，含义究竟有何差别？
The dancer’s incredible performance had the audience on its feet
clapping for 10 minutes at the end of the show.摘自2020天津高考题。请问老师这里为什么用its，不用their，这里也不是强调audience这个整体啊，不是强调的成员吗？另外，在网上还找到一种...
The dreamy Meridian Club on its own 800-acre plot called Pine Cay boasts some of the prettiest stretches of sand in the Caribbean, not to mention calm, clear waters that are ideal for snorkeling and diving.介词on引起的短语与被修饰词是怎样的关系？谢谢老师的回答。
But he (the writer) has his reward, for he is trusted and convinces, as those who are at the mercy of their own eloquence do not.选自文章 The Cardinal Virtue of Prose.这里的 convinces 是什么用法？convince 不是及物动词吗，不可以这样用吧？
FOR months the world has sat largely idle 1 an Ebola epidemic has
marched steadily from the remote jungles 2 Guinea
to the slums 3 Liberia,
and beyond.问：请老师先帮翻译一下，1处答案为as，请问以前听老师说as当“随着”/“在…的背景下”讲时是原因状语从句...
...espects and achieving the goal of poverty alleviation, Xi praised teachers fortheir work to help stop poverty from being passed on to the next generation.应该不是独立主格，独立主格with跟的是分词，又很像伴随状语，求老师指导具体分析！
...tiser at the beginning of the programme. He was obviously very nervous and for some minutes stood awkwardly before the microphone. As soon as he opened his mouth, everyone burst out laughing. We all know what the poor man should have said, but what he actually said was: 'This is the Poo and Ee S...
...e with less human supervision and be able to make at least a few decisions forthemselves - goals that pose a real challenge.1) forthemselves 是否可以改成by themselves ? 为什么？2）if robots are to reach中 are to 为何意？可否去掉变为if robots reach， 为什么？3）if条件...
...nth century, had acquired the status of a technical term in
jurisprudence. For example: ‘The books must be produced, as we cannot receive
parole evidence of their content’ (1776, from the Oxford English Dictionary).背景：Production在18世纪前，意味着把潜在看不到的东西变为能...
请问老师，所有介词都可以跟名词 具有形容词性质吗？还是必须跟在动词后搭配？比如：the man against the wall is so idiotic.the man along the river is looking for his wallet.these books of him is there.等等···
...gic and support college freshmen to follow their interest in major choice, for interest can help better not only individuals but the social milieu they live in.请问老师这里的top的用法是否正确？
The term schedule in this case does not refer to the time-based models that have been discussed previously in the book but,rather,to a listing of costs to be used as a basis for billing throughout the project.