Ответ:

4) 2. In Molly's garden there's a tree which is 100 years old.

3. That's the café where Lucy sometimes meets her friends

4. There's a park where the children play.

5) 2. Paddy uses his bike, which is new, every day.

3. Number 24, where Molly lives, is a beautiful house.

4. Frank, who used to work at the hospital, has a cat.