How much are/is…
… 多少钱?
a bag of flour
a loaf of bread
a stick of butter
a bar of soap
a gallon of milk
a box of cookies
a dozen of eggs
a bottle of cooking oil
a dozen of eggs two loaves of bread
two bottles of
cooking oil
two bottles of milk
two bags of flour
two bars of soap
1.5yuan /gram
2yuan/gram
5yuan/gram
6yuan/gram
3yuan/gram