A
2. hers
3. yours
4. theirs; ours
5. mine
B
2. yours
3. mine
4. yours
5. theirs
6. his
7. ours
С
2. Whose camera is this? - It's Marlene's.
3. Whose jacket is this? - It's Matt's.
4. Whose rucksack is this? - It's Liza's.
5. Whose trainers are these? - They're Ben's.
#4
1 these
2that
3those
4thtis
#5
1this
2this
3those
4those
5these
6that
#6
1 b
2a
3D
4e
5c
#6b
1 an; the
2 the
3 a; the
4 a
5 the
#7
1c
2b
3b
4b