It must have been about an hour after this that the front-door bell rang.

She was carrying the empty tray out to the hall again when the front-door bell rang.

Then he rang the front-door bell, was admitted to the house, and joined the family for tea.

Then as the front-door bell sounded he quietly slipped away.

She cogitated for a moment, then rang the front-door bell.

He had been just on the point of ringing the front-door bell.

I did ring at the front-door bell but it didn't seem to be ringing.

When the front-door bell rang, we jumped up in unison.

And about a minute after that, while he was still speaking, the front-door bell rang.

The only sign of recent approach lay in the oozy mud just below the front-door bell.