Unit8SectionA1a-2d学习材料任务一将基数词变序数词顺口溜补充完整
基变序，有规律：一二三变字体,th从_______起;八减_____，九去_______,______来把______替，整十很好记，变______为______;要是遇到几十几，只变______就可以
任务二读序数词表，然后写出下列基数词的序数词
one______two________three______five________eight_______nine_______twelve_______fifteen_______eighteen________twenty__________twenty-one_______________twenty-two______________任务三听书上2c录音，补全对话Mr
Smith:Now,Alice,howoldareyou
Alice:I’m_________________
Smith:Whenisyourbirthday
Alice:It’son_________________,Mr
Smith:Oh,OK
And_________________Frank
Alice:Frankisn’theretoday,buthisbirthdayison__________________
Smith:Thankyou,Alice
AndEric
Eric:Mybirthdayison___________________
Smith:OhJanuary17th
AndJane,whenisherbirthday
Eric:Herbirthdayison_____________________
