31.   -- Do you automatically confine your dog when the doorbell rings?

32.   A few seconds later the doorbell rang again.

33.   But now the phone rings, the doorbell rings or someone barges in and interrupts your task.

34.   But when the doorbell rang a few hours later, she opened the door.

35.   During a recent call while I was in South Korea, the doorbell rang in our New York apartment.

36.   Finally, the doorbell rang.

37.   Half an hour later, the doorbell rang.

38.   He stopped jumping up and running to the door when the doorbell rang.

39.   Her hotel doorbell rang.

40.   Just then, the doorbell rang.