1.   An alarm went off in his head as it occurred to him what a sitting target he was in his Baby.

2.   Brian propped himself up on his elbows, suddenly remembering that the alarm had gone off.

3.   Car alarms are always going off in the street.

4.   Have you ever noticed the response when a car alarm goes off in a busy street?

5.   I was still asleep when the alarm went off.

6.   If anyone tries to break in, the alarm will go off.

7.   She breaks the window of the black car - and the car alarm goes off!

8.   She was just drifting into sleep when the alarm went off.

9.   The smoke alarm went off.

10.   The thieves fled when an alarm went off.