Look back at the family tree in exercise 2. Correct the sentences with the words: brother, child, cousin, granddaughter, grandson, nephew, niece. Example: Sam is Bill’s uncle. 1) Lucy is Betty’s daughter. 2) Kate is Mary’s aunt. 3) Kate is Lucy’s twin sister. 4) Kate is Jane’s mum. 5) Dan is Sam’s cousin. 6) Tom is John’s son.