Paper was invented in China about two thousand years ago. According t Chinese rec, the met was impr around t year 105 b a co official. H mixed tr bark, o cloth, and plant fibers with water, pressed the mixture flat, and let it dry. The result was cheaper and lighter than the bamboo and silk that people had used for writing before. Over the following centuries, papermaking spread slowly across Asia and eventually reached Europe.

Type only the missing letters. Each box is one letter, and the number of boxes matches the letters that are missing.