2.
1 who
2 where
3 which
4 whose
5 where
6 which
3.
1 These are the souvenirs which I bought them in Paris.
2 I was talking to a girl whose family comes from Romania.
3 I can see the tour guide who travelled in the bus with us.
4 We went into a shop where they sell cakes.
5 I can show you the guidebook which we used in Rome.
6 I think that's the man whose passport fell into the river.