21. My grandfather has two sons. One is my father, and the other one (另一个) is my u                .

22. My father and mother are my p                . I'm their d                .

23. She's my s                , Mary.

24. My a                 is my father's sister.

25. Mr. Brown and Mrs. Brown have two children, a son and a d                .

26. These are some photos of Lucy's f                . This is her mother.

27. What is the g                 name?

28. This is a p                 of my family.

29. Alice is my sister. I am her b                .

30. How many c                 do you have?

31. --- Who's the man in front of you?

--- He is my u                ―my father's brother.

32. This is a photo of my family. Look! They are my p                , my sister and I.

33. The woman is my mother's s                . She's my aunt.

34. My mother's sister is my a                .

35. The old man and his d                 are good to us.

36. Hello, I'm Bob. My f                 name is White.

37. Good morning, boys and g                . Let's begin our class.

38. Look! This is a p                 of my family.

39. Do you have any b                 or sisters?

40. Bob and Bruce are my c                , they are my aunt's sons.

41. Do you know whose                 (照片) these are?

42. Is Tom's                 (弟弟) happy today?

43. These                 (女孩) are Mr. Smith's daughters.

44. The black backpack on the sofa is my