在我家里使用 in my family 还是用 at my family?可以用 on my family吗

rules in my family in my family My Family Look at my family t() In my family () three people In my family everyone ( ) hamburgers. coco is in my family in my family everyone ( ) hamburgers 是my family photo还是my family's photo My family _______goes _____dinner on my birthday 我家有三口人可以翻译成 my family has three people I live with my family ---(on\in)a flat ----(on\in\at)a busy