Unit8Whenisyourbirthday
1January2February3March4April5May6June7July8August9September10October11November12December基数词序数词onefirst1sttwosecond2ndthreethird3rdfourfourth4thfivefifth5thsixsixth6thsevenseventh7theighteighth8thnineninth9thtententh10th基数词序数词eleveneleventh11thtwelvetwelfth12ththirteenthirteenth13thfourteenfourteenth14thfifteenfifteenth15thsixteensixteenth16thseventeenseventeenth17theighteeneighteenth18thnineteennineteenth19thtwentytwentieth20th基数词序数词eleveneleventh11thtwelvetwelfth12ththirteenthirteenth13thfourteenfourteenth14thfifteenfifteenth15thsixteensixteenth16thseventeenseventeenth17theighteeneighteenth18thnineteennineteenth19thtwentytwentieth20th4th5th6th7th8th8th9th10th11th12th13th14th15th16th17th18th19th20th30thonetwothreefourfivesixseveneightnineteneleventwelve基数词thirteenf