5.
2. Avril looks after her neighbour's children.
3. Helen always listens to her friends' advice.
4. Are you going to Lucy's party?
5. That girl over there is my friend.
6.
2) it
3) we
4) our
5) our
6) his
7) his
8) her
9) her
10) we
11) we
12) the
13) her
14) she
15) her
16) his
17) they
18) we
19) our
