whether和if引导宾语从句什么时候可以互换？例如:1.I wonder whether he likes me or hates me. 2.I wonder whether he likes me or not. 3.I wonder whether or not he likes me. 这三句哪些可以whether换成if？
Time went on; so did the comparisons. By word of mouth during the holidays, by phrases in letters during term time, I was kept up to date with John's cleverness and progress. Thus goaded I began at last to look round for something that I could do, something at which I could excel. When I foundit...
Learning words together that
are associated in meaning is a popular and useful way of organising your
vocabulary study这里together放在words和word的定语从句中间，这种用法对吗?
例句：the centre was simultaneously looking to a timewhen leading researchers could also be artists, writers and poets, and vice versa. 如果把vice versa整体当作副词的话为什么前面加了and？这是并列什么？
The suggestion where we should exercise regularly is very practical.这个句子看做是同位语从句能理解，但是个人觉得也可以看做是定语从句。We should exercise regularly in this suggestion. 在这个建议中我们应该经常锻炼。为什么这样理解是不对的呢？
...derlie the globalization process.例2：I studied at Cambridge at the same time as(when/that) he did.例3：If you’re likely to be traveling on the same train as(that) I am, I’ll look out for you.例4：a few oil firms today could re-creat the same threats to competition that(as) were fe...
Technically, negotiation occurs between people who are interdependent,
_____ that the actions of one party affect those of the other party and vice
versa.A.which meansB.as meansC.meaning是不是三个选项都可以呢，非谓语和定语从句有什么差别呢？