31.   The class had barely started when the fire bell rang.

32.   There were no more sounds of men running, but his warning bells were ringing.

33.   When he unwound the rope from the cleat the bell rang once.

34.   When they are successful a bell rings and a mechanical buddha lights up and makes a creaky obeisance.

35.   You could hear the students breathing a collective sigh of relief when the final bell rang.

36.   The bell has rung - stop writing now.

37.   The bell rang again insistently.

38.   My brother, Neville, was born on a Sunday, when all the church bells were ringing.

39.   You can go when the bell rings.

40.   We usually leave off working as soon as the bell rings.