Module4 Unit2,Thirteen, fourteen, fifteen,1+10,2+10,12 twelve,6+10,11 eleven,算 一 算,16 sixteen,7+10,17 seventeen,8+10,18 eighteen,9+10,19 nineteen,4+10,14 fourteen,3+10,算 一 算,13 thirteen,5+10,15 fifteen,3 three 4 four 5 five 6 six 7 seven 8 eight 9 nine,13 thirteen 14 fourteen 15 fifteen 16 sixteen 17 seventeen 18 eighteen 19 nineteen,fifteen,How many cats are there,thirteen,How many hamburgers are there,How many pizzas are there,eighteen,算 一 算,20 twenty,21 twenty-one,Listen and answer,How many a
