阅读短文短文Jack,Dick,Ann and Kate are brothers and sisters.Idon't

阅读短文短文Jack,Dick,Ann and Kate are brothers and sisters.Idon't know how old each of them is .I only know,one is 18,and one is 15.One of ehe boys is 16 and one of the girls is 17.I also know Jack is older than Ann,but Kate isn't.1.How old is Kate 2.How old is Jack 3.How old is Dick 4.How old is Ann 阅读课文，第一排是课文，会在回答