Revise the following passage by adding a and the as needed.
Dorothy was little girl who lived on farm in Kansas. Tornado struck farm and carried her over rainbow to land of Munchkins. Soon afterwards she met scarecrow who wanted brain, tin man who wanted heart, and lion who wanted courage. On way to Emerald City four friends met wicked witch who cast spell on them in field of flowers. Witch wanted magic shoes that Dorothy was wearing. When they reached city, as you recall, they met wizard. Story has happy ending.