Unit 6 Pets 知识点解析及练习一. 词性转换1. responsible (adj)负责的responsibility (n.) 责任2. train (v.)训练 hard training (n.) trainer (教练，培训师) employertrainee (受训人）employee interviewer interviewee3. die (v.) died died dyingdead (adj.) 死去的 has has been dead for./since. agodying (adj.) 垂死的death (n.) 死亡deadly (adj.) 致命的。friendly lovely lively4. faith (n.) 信任，信心 have faith keep faith 守信faithful (adj.) 忠实的，忠诚的 faithfully (adv.)5. regular (adj.) 有规律的, 定期的, irregu
