3.15 one/another/the other-代词 3.15 one/another/the other one… the other只要两个 some… the others有三个以上 one… another，another… some… others，others… others = other... / 2010-06-08 / 查看 0 次

11.13 since的四种用法-动词的时态 11.13 since的四种用法 1） since +过往一个时候点（如详细的年、月、日期、钟点、1980, last month, half past six）。例如： I have been here since 1989. 1989... / 2010-06-08 / 查看 3 次

16.10假造语气练习_假造语气 16.10假造语气练习 1. Everything ______ if Albert hadn’t called the fire brigade. a. will be destroyed b. will have been destroyed b. would be destro... / 2010-06-08 / 查看 0 次

16.7比较if only与only if-假造语气 16.7比较if only与only if only if默示"只要"；if only则默示"如果……就好了"。If only也可用于陈说语气。例如： I wake up only if the alarm clock rings.只要... / 2010-06-08 / 查看 5 次

2.7冠词练习_冠词和数词 2.7冠词练习 1.When Linda was a child, her mother always let her have ______ bed. a. the breakfast in b. the breakfast in the c. breakfast in d. breakfast in the 2... / 2010-06-08 / 查看 370 次

7.8用作介词的to-动词不定式 7.8用作介词的to to可以用作介词，也可用作不定式的标示。下面的to 都用作介词： admit to object to be accustomed to be used to stick to turn to开始 ... / 2010-06-08 / 查看 5 次

19.5功效状语从句-状语从句 19.5功效状语从句 功效状语从句常由 so…that或 such…that指导。so…that与such…that之间可以转换。例如： The boy is so young that he can't go to school.这男孩年龄太小... / 2010-06-08 / 查看 3 次

8.7go on doing/to do-特别词精讲 8.7 go on doing/to do go on to do做了一件事后，接着做另一件事，go on doing继承做正本做的事。例如： After he had finished his maths，he went on to do his ph... / 2010-06-08 / 查看 2 次

3.14 one，that和it-代词 3.14 one，that和it one默示泛指，that和it 默示特指。that与所指名词为同类，但不是统一个，而it与所指名词为统一个。例如： I can't find my hat. I think I must buy one.... / 2010-06-08 / 查看 1 次

4.14描述词和副词练习_描述词和副词 4.14描述词和副词练习 1. The modern machine proved ______ in heart surgery. a. high valuable b. highly valuable c. valuable high d. valuable hi... / 2010-06-08 / 查看 10 次