9. keen adj. 热心的渴望的敏锐的灵敏的Keenly adv.敏锐地keenness n. 敏锐
10. ambition 雄心抱负be full of ambition 野心勃勃ambitious adj. 有雄心的11. enclose 附上 ⅡPhrases 1. at the end 在………的末端
2. be keen on 热心于做热衷于………
3. play chess 下象棋
4. twelve years old
5. a boy called Tom 一个名叫Tom 的男孩a boy named Tom a boy with the name Tom
6. best wishes 最好的祝愿
7. by +交通工具= take +a/an +交通工具
8. tell sb. about sth. 告诉某人关于某事tell sb. to do sth. 告诉某人做某事tell sb. not to do sth. 告诉某人别做某事
9. enjoy doing sth. 喜欢做某事like doing sth. mind /practice/finish/ 10. speak /tell /say/talk say 说述说speak 说话发言电话来时用speaking talk 说谈话of/about tell 告诉讲述 ⅢSentence 1. make it +adj. for sb. to do sth. it 形式宾语
2. sth. +be+ to do 动词不定式做表语
3. I hope you will write to me soon . 我希望你尽快给我回信hope 有可能实现
