1 His son is a buisnessman
2 Their doughter is a student
3 He has this cassette
4 It is your compositions
5 I had some pins
6 They had this disk
7 My mother is a journalist
8 My grandmother and grandfather are pensioners
9 My granny has these magazins
10 My sister has this cassette
11 His brother was a musician
12 His brother has these disks
13 She has some pins
14 I don't have these disks
15 His wife is a teacher