Compleate the dialogues a: I did not pass the physics exam b:..................................................................................... now we will have to do it again. a:I know. Have you told your parents? b: Yes, they were very upset. a:...............................................................................mine. b: it is our fault. if...............................................harder! a: True...

1. What a pity!
2. Thats the fault of mine.
3. If only I had worked harder!..