They jumped up with the joy to hear the good the news
  Kill --- kill time --- time killer--- pain killer
  Murderer
  West --- in the west
  Western country
  Surprising--- astonishing 
  Alarm ---- alarm clock
  Surgery---surgeon
  Technology
  Advanced --- in advance
   
   
  不定式：
  ü动词不定式在句子中可做主语，表语，宾语，状语，宾语补足语和主语补足语。
  主语：It is good idea for parents to monitor the amount as well as the kind of television that their preschool child watches.
  表语：My only wish now is to have a good sleep.
  宾语：Most single parents find it hard to take care of a family alone
  定语：You will find something to interest you there.
  状语：In memorizing a number, you might try  to associtate it with familiar numbers or events.
  宾语补足语：It makes the digestive juices flow more freely.
  主语补足语：The house is known to have been built by a British-man 70 years ago.
  形容词的比较级和最高级的构成法：
  ü一般情况：加-er, -est 
  Eg: small→smaller→smallest;
     Tall→taller→tallest.
  ü以-e结尾：加-r, -st
  Eg: large→larger→largest;
  nice→nicer→nicest
  ü以“辅音字母+y”结尾：改y为I, 再加-er, -est
  Eg: easy→easier→easiest;
     Dirty→dirtier→dirtiest
  ü重读闭音节且以一个辅音字母表示一个辅音：双写该辅音字母后再加-er, -est
  Eg: fat→fatter→fattest;
     Thin→thinner→thinnest
  ü以-ow, -er为结尾：加-er, -est
  Eg: narrow→narrower→narrowest;
      Clever→cleverer→cleverest
  ü以-le为结尾：加-r, -st
  Eg: simple→simpler→simplest
  ü其他结尾：加-er, -est
  Eg: common→commoner→commonest;
      Quiet→quieter→quietest
  ü在形容词原级前加more, most：
  Eg: beautiful→more beautiful→most beautiful;
     Important→more important→most important
  副词的比较级和最高级的构成法：
  ü大多数副词在原级之前加more和most分别构成比较级和最高级。
  Eg: warmly→more warmly→most warmly;
      Quickly→more quickly→most quickly
  ü少数单音节的副词，加-er和-est构成其比较级和最高级。
  Eg: slow→slower→slowest;
      Fast→faster→fastest;
       early→earlier→earliest
  几个形容词和副词的特殊比较级和最高级形式：
  1.         good, well→better→best
  2.         bad, ill, badly→worse→worst
  3.         many, much→more→most
  4.         little→less→least
  5.         far→father; further→farthest; furthest
  6.         old→older; elder→oldest; eldest