人教PEP三年级下 第6单元第2节 学数字 sixteen-twenty
句型:
sixteen16
seventeen17
eighteen18
nineteen19
twenty 20
例句:
Three and two makes five.
3+2=5
Five times two makes ten.
5×2=10
one1
two2
three3
four4
five5
six6
seven7
eight8
nine9
ten10
eleven11
twelve12
thirteen13
fourteen14
fifteen15
sixteen16
seventeen17
eighteen18
nineteen19
twenty20
and加
times乘