模仿范例,写一写
例:14+6= ( 20 )
--How much is fourteen and six?
--It is twenty.
1. 12+7= ( )
--How much is______________ and______________?
--It is ______________.
2. 16+3= ( )
--How much is______________ and______________?
--It is______________.
3. 15+5= ( )
--How much is______________ and______________?
--It is ______________.
4. 13+4= ( )
--How much is______________ and______________?
--It is ______________.
5. 13+5= ( )
--How much is______________ and______________?
--It is ______________.