Read these sentences and complete them using a verb + on or off. Write your answers.
Use these verbs: go, finish, rip, drive, get, doze, tell, keep.
1. I was standing by the car when suddenly the alarm ______.
2. Ben was _____ by his boss for being late for work repeatedly.
3. There was a very loud noise. It sounded like a bomb ______.
Raymond Murphy. English Grammar in Use- Cambridge: CUP, 379p.