Tom is in Grade One,his mother and he are in the same class.Why Ben'mother has two daughters and ason.How many children does Ben'mother have

问题描述:

Tom is in Grade One,his mother and he are in the same class.Why Ben'mother has two daughters and a
son.How many children does Ben'mother have

Tom's mother is his teacher.
Ben's mother has three children.
请及时采纳,多谢!