II: 1. I haven't seen Lan since 2005
2. Lan suggested that Thu should complain to the company
3. You didn't remember to switch on the washing machine, did you?
4. The scientists who discovered a new planet has won the Nobel Prize
5. The bomb which went off this morning caused a lot of damage
6. The little girl who had been missing since Tuesday has been found safe and well
7. The building which was destroyed in the fire has now been rebuilt
8. The company which owns Green way markets has laid off thousands of workers
9. The girl who was injured in the accident is now in hospital
10. The car which won the race last year looked very futuristic
11. Although the children were poor, they seemed very happy
12. Hung asked Ian if someone had rung him an hour before