1.   The cock crows and the dawn chorus begins.

2.   A cock crows in Brooklyn.

3.   On the other side of the tracks, in the industrial part of town, where a cock crows and gulls cry, I visit a cannery.

4.   The poultry hall is safer, if noisy with cock crows.

5.   When the prediction came to pass, Peter heard a cock crow and broke down and wept.