序数词：first second third fourth fifth sixth seventh eighth

形容词：cute beautiful nice ugly clever smart exciting

疑问词：what which when where who why whose how

代词：（不定代词） some一些 many许多 both两个　（反身代词） myself我自己 himself他自己 themselves他们自己 （物主代词）my his

人称代词： I you he she they me you him her

物主代词：my我的 his他的 your你的（your你们的） their他们的 her她的

乐器：drum piano violin guitar flute harp erhu trumpet