... Collection boxes have been placed in local offices and telecom stores
andthey will remain there until the metal required is collected.为什么remain用一般将来时,为什么不是现在完成时或现在完成进行时?
2. Although pressure, to some extent , can provide motivation, too m...
unless引导的分句可用否定结构,而if…not …引导的分句不可再否定。Don't ask me to explain unless you really don't understand.The directors have a meeting every Friday,unless there is nothing to discuss.在这两个句子中unless引导的句子都是否定的句子怎...
Dr.Melendez is not just our best surgeon.He is one of the tops in the entire country,with the expertise to know that the best way to avoid a truly bad outcome in this procedure is to err on the side of caution.请问这里with短语时tops的非限制性定语吗?with短语中,不定式to know...
Researchers are looking at how new technology may be delaying the point which college-bound students truly become independent from their parents.
请问这里可以将which改成when吗?答案是在which前面加上at
There are many copper mines in the state of Arizona, ______ contributes
significantly to the state's economyA which fact B whose fact 到底是哪一个啊? 有的说A 有的说是B?
1)If you are a tear in my eyes, I will never shed it (条件句).2) If you were a tear in my eyes, I would never shed it (虚拟语气句).第一句条件句的表达,第二句虚拟语气的表达,两句表达的意思有区别吗?除了形式上的区别,两句的区别在哪里...