a．形容词：就是用来修饰名词或不定代词，表示人或事物的性质、状态和特征的词。形容词主要作定语、表语、补语。如： 1. this is a new pen. 这是支新钢笔。(形容词new作名词pen定语) 2. these oranges taste ________. (全国卷) a. good b. well c. to be good d. to be well 3. john was so sleepy that he could hardly keep his eyes ________. (全国卷) a. open b. to be opened c. to open d. opening b．副词：就是修饰动词、形容词、其它副词或全句，说明时间、地点、程度、方式等概念的词。副词
