1、Lesson 6Its on the fifth floorone1stfirsttwo2ndsecond3rdthirdthreefour4thfourth序数词的变化 1 one-first 2 two-second 3 three-third 4 其余的序数词都是由基数词后加-th 变化而来的吗？six6thsixthseven7thseventheight8theighthfive5thfifthnine9thninthtwelve12thtwelftheleven11theleventhten10thtenthfirst 1st second 2ndthird 3rdfourth 4
2、thfifth 5thsixth 6thseventh 7theighth 8thninth 9thtenth 10theleventh 11thtwelfth 12thfirst 第一second第二third 第三fourth 第四fifth 第五sixth 第六seventh 第七eighth第八ninth第九tenth 第十eleventh第十一twelfth第十二thirteenth第十三fourteenth第十四fifteenth第十五sixteenth第十六seventeenth 第十七eighteenth第十八nineteenth第十九twentieth第二十thirtieth第三十eighty-ninth 第八十九序数词New word一次English exam 中：80分Lily99分Jack 90分TomNew wordJack the first第一Tom the second第二Lily the third第三Dialogue Where is your home？Its on the fifth floor.Review
