sentences:  When it finally did in September, it quickly hit number 1, where it remained for five weeks and was the biggest selling single of the year.It sold over a million copies, however it would be the last single of the decade to do so, and there would not be another million-seller until 1991.Many songs this year competed for the Christmas number one single, and the entire top 3 from 1984 re-entered the chart this year; Paul McCartney's "We All Stand Together" at number 32, Wham!