Fill in the Blanks (Reading & Writing)

Ski resorts are being forced to rethink their operating seasons as snowfall becomes less predictable. Many now —rely onrely withrelying onrelied on artificial snow machines to extend the season when natural snow arrives late. Some resorts have also begun —offeringofferoffersto offering summer activities such as mountain biking, so that the local economy does not —dependdependsdependingdependent entirely on winter tourism.