Long long ago;(形容词修饰ago)3 days ago;(名词短语修饰ago)a long time ago;(同上)quite a long time ago;（同上 但是quite修饰名词time）Since a long time ago. 副词ago做介词since的宾语，请问这样理解是否正确...
以前最基础的都能记住，比如:the key to doing stha promise to do sththe attempt to do sththe approach to doing stha plan to do sth 等等但是如果遇到新单词的话就又有点懵了，不知道是选择哪个。比如遇到一个...
1. With the help of the firemen,they were able to leave the burning house. (With the help of the firemen 表示条件? 原因?)2.I had a quarrel with my father about some trifles. (with my father about so...
请看例句：You are absolutely clever. （副词修饰adj或者系动词均可）You are probably ill.（副词修饰系动词）They are mostly students.（副词修饰系动词）You are certainly a hero.（副词修饰名词）请问以上理...
1. We look on music lessons as dispensable. 这里as是副词吗？ as dispensable是宾补，对吗?2. We look on music lessons as they are dispensable. 这里as they are dispensable.是句子里的什么成分？可以把例句1...