Unit 9 Its one hundred守护甜心守护甜心 WendyIs this right,Miss Li?Yes,its right.Good!Thank you!Please think again.Forty-six and fifty-four is.Oh!Im wrong!Its one hundred.13 thirteen 14 fourteen 15 fifteen 16 sixteen17 seventeen 18 eighteen19 nineteen13-1913-19数词构成方法：数词构成方法：在有关的个位数词词尾加在有关的个位数词词尾加-teenteenRead and count19 +1=20nineteen plus oneistwentytwentythirtyfortyfiftysixtyseventyeightyninetyone hundred12+8=24+6=38+2=42+8=53+7=67+3=71+9=82+8=99+1=20 twenty30 thirty40 forty50 fifty60 sixty70 seventy80
