Long ago in England, candles (1) ___were used___to tell time (to be used). Each candle
(2) __was divided__ into twelve parts by colours or by notches (to be divided).
People (3) _knew_ how long it took for the candle to burn down to a notch or to a new colour (to know).
When three parts of the candle (4) __burned__ down, an hour had passed by (to burn).
Each candle lasted four hours. Six candles (5) __lasted__ from one sunrise until the next (to last).