aim atThe book (was) aimed at giving a general outline of this subject. 这本书的目的是要对这个问题作个大概描述。 assembleThe whole school (was) assembled in the main hal...

'We're excited!' said Mom. 'We look for the stable and find Jesus in the manger just like the angel said. Then we tell everyone about what we saw.' 'Listen everyone! I'm a very exc...

1. 由and和both…and连接的并列主语Jim and Mary are both interested in it. 吉姆和玛丽都对此感兴趣。Both brother and sister are college students. 兄妹俩都是大学生。【注意】(1) 当由and...

Every mountain has a peak What is the secret ingredient of tough people that enables them to succeed? Why do they survive the tough times when others are overcome by them? Why do t...

    When I was growing up， I was embarrassed to be seen with my father. He was severely crippled and very short， and when we would walk together， his hand on my a...

区别一：两者都可放在形容词之前用作程度状语，且通常都与那些表示“不好”意义的形容词(如: tired, cold, sick, sad, serious 等)连用。如：The man was a bit [a little] tired. 这个人有点儿...

助动词就是协助主要动词构成谓语的动词。助动词本身没有词义，不可单独作谓语，只能和别的动词一起构成谓语，表示时态、语态、语气等，或表示疑问或否定。常用的助动词有be, do, does, did, hav...

形容词和副词只有两种形式：原形和+er.1) 直接说明事物的性质或特征的形容词是性质形容词,它有级的变化,可以用程度副词修饰,在句中可作定语、表语和补语.例如：hot 热的.（错） He is an ill ma...

介词是一种用来表示词与词, 或者词与句之间的关系的词，在句中不能单独作句成分。介词一定要有宾语，充当宾语的一般有名词、代词或相当于名词的其它词、短语或句子，短语或从句。 2. 介词...

一、用-'s表示有生命的人或物的所有格用-'s表示，有时也可用of表示。如a man's voice=the voice of a man。此外，还需注意以下3点：The boss's son, was arrogant to all the employees. 老板的...