The extent to which it helped to promote Britain’s broader strategic interests was sometimes questionable.
请问这个句子中的 to which 如何理解?这引导的是定语从句吗?这个句子该如何分析呢?如果是定语从句,这真是一个特别奇怪的定语从句...
The projected was observed by Ada’s supervisor, teacher and mother.多个名词指代同一个人时的表达方式是什么,如本句,supervisor, teacher and mother 指代的同一个人,如何区别名词指代多个人/物还是同一个人/物?
1. I bought many books,on which I spent all my money that I saved.这里为什么用on which?on which可以用哪个关系副词代替呢?2. The colorless gas without which we cannot live is called oxygen.什么用without which呢?without which可以用哪个关系副词代替?