health,healthy,healthily的区别及用法答:3.副词(Adverb)例如:happily, smoothly, quickly...4.动词(Verb)例如:run, smile, sing...5.代名词(Pronoun)例如:He, She, It...6.介系词(Preposition)例如:at, in, on, to...7.连接词(Conjunction)例如:And, but, if 8.感叹词(Interjection):例如:Hey, Oh, Ah...He...