.How many children does Mrs Brown have?

.How many children does Mrs Brown have? how many children does Mr Green have? how many children does cage have How many children （does） your uncle（ have）?为什么要用does和 have? Do Mr and Mrs Brown have two children?怎么回答 How many .does.have?造句 How many children does the family have?这句话有无问题? How many children dose the mother have? how old is Mrs.Brown how many legs does a spider have How many wheels does a jeep have? how many teeth does an adult have?