1.I can't find the prints. This costomer ordered them
--> I can't find the prints which this customer ordered.
2.Have you seen the film? Everyone is talking about it
--> Have you seen the film whiche everyone is walking about
3.The trip sounds wonderful. Your aunt has just beeen on it
--> The trip which your aunt has just been on sounds wonderful
4.That young boy stole a pen. He has just left the shop.
--> That young boy who has just left the shop stole a pen
5.The pen was very valuable. He stole it-
-->The pen which he stole was very valuable
6.Where's the umbrella?You brought it with you
--> Where's the umvrella which you brought with you?
7.The book has beeen borrowed by someone. You wanted it