From Longman Dictionary of Contemporary Englishfall to somebody/something phrasal verb1 RESPONSIBLEif a duty or job falls to someone, they are responsible for doing it, especially when this is difficult or unpleasant It fell to me to give her the bad news.2 writtenSTART DOING something to start doing something They fell to work with a will.fall to doing something He fell to thinking about how nice a warm bath would be. → fall→ See Verb table
Examples from the Corpus
fall to • The honour of the reception always fell to the family of the bride.It fell to ... to• There was a heated argument between the two men which at length it fell to Branson to settle.• It fell to him to change the look of advertising for a well-known brand of cigarettes.• As a senior member of the Karolinska faculty, it fell to him to introduce the two speakers.• It fell to later apostles to make public religion more militant.• It fell to Pentagon officials to publicise this crucial information.fall to doing something• Last year solid waste totalled 227,000 tonnes but this is forecast to fall to 206,000 tonnes this year.• Last year, it fell to 17 percent.• Some analysts expect cellular growth to fall to single digits in a few years.• The cave continues but then suddenly falls to horrendous depths and a retreat must be made to the point of entry.• The honour of the reception always fell to the family of the bride.• The proportion of married women falls to just over two in ten, and the proportion widowed rises to nearly two-thirds.• The stock later fell to 214. 50, up 1. 66 percent.• There followed a crash and a rending of fabric and I fell to the ground. 