Copy the sentences and put in the missing words :My mother .... my father`s .... . My father .... my mother`s .....My

My mother is my father\'s wife. My father is my mother\'s husband. My mother and my father are my parents. Mr. Smith has got two children: a son and a daughter. My mother\'s sister is my aunt. My father\'s brother is my uncle. His brother has got two sons. They are my father\'s nephews. My father has got a sister, too. His sister has got one child, a daughter. So, my father has got a niece, too.