单词变形
1. poem—________ (诗人)
2. aloud—loud/________ (adv)
3. easy—________（比较级）—________ (最高级)
4. nine—________ (十九)— ________ (第十九)
5. happy—________ (名词)
6. hum—________ (动名词)
7. express（v.）—________ ( n. )
8. honest—________ (名词)— ________（反义词）
honest—________ (比较级)— ________ (最高级)
9. true—________ (副词)— ________ (名词)
10. frighten—________（adj.）—________（adj.）
11. music—________ (音乐家)
12. self—________ (adj.)
13. humor( n.)— ________ ( adj.)
14. fat— ________（比较级）—________ (最高级)
15. soft—________ (副词)
16. stretch—________（单三）
17. branch—_________ (复数)