最近看到这个句子，Whatever you do, do not dwell on what might have been, or dwell on what you ‘should’ have done!对what might have been的用法有疑惑，能直接作为宾语吗，总觉得缺少了个it；但是查阅了一些资料发现这个用法很普遍，如1. You can...
...， hardly， stiff， stick， adopt，hard，current， strength，off，on, standard原文：“Use it or lose it" is the new approach to back pain. In the last few years, there has been a ___1___ change in the way doctors treat this most common disease. Weeks or months of rest in bed...
Normally, Americans do not assess their visitors in such relaxed surroundings over extended small talk; much less do they take them out for dinner, or around on the golf course while they develop a sense of trust.more less 是什么意思？用的时候句子要倒装？全句怎么翻译？
Whether you wiggle the stick from a stationary pier, or from a rushing speedboat, the waves, once generated, are on their own , and their speed has nothing to do with that of the stick.
我们老师说
主语：their speed
谓语：had nothing to do
宾语：that of the stick
可我觉得...
both...and...的否定式、not
either ...or ...、no …and no…的否定式的区别如：You can’t speak both German and
English.Both my father and my mother aren’t doctors. She isn ’t either a student or a teacher.
She had gone alone, but the children were to go to the station to meet her. And loving the station as they did, it was only natural that they should be there a good hour before there was any chance of Mother's train arriving, even if the train were punctual, which was most unlikely.9. What can y...
...卷真题：Jane’s grandmother had wanted to write a children’s book for many years, but one thing or another always got in the way. 简的祖母多年来一直想写一本儿童读物，但是一件接一件的事情总是妨碍她写书。请问句中的 one thing or another 是什么意思？...