what does your family do?请问这里为什么要用does 这里没有单数第三人称啊

What does your mother what does your borther 例如：（What) is your address?1 ( ) does he live 2 ( ) kind of food do you like?3 ( ) patty baby-sit for her neighbors?4 ( )do you eat at that restaurant?Because we like the food .5 ( )does Julie go to a health club?On Monday.6 ( )does your famil what does your mother do? What does your father work? what does your mother do? what does your family like What time does your school What does your sister do? What does your parents do? what does your grandfather have? what does your grandfather do? What does your father?是什么意思 what time does your firstclassbegininthemorniwhat time does your firstclassbegininthemorning回答 what does your best friend look like what does your mother do?_______________________ What does your mother like?的意思 What does your mother do?怎么回答