Today, paper (1. USE) __________ for hundreds of things - not only books and newspapers, but also money, stamps, bags and even clothes. In ancient times, before the invention of paper, people (2. WRITE) __________ on animal skins, bones and stones. In 2700 BC the Egyptians (3. START) __________ to make papyrus, which was similar to paper. But the first real form of paper (4. INVENT) __________ in 105 AD by a Chinese government official. It (5. MAKE) __________ from a mixture of plants and clothes. The Chinese (6. KEEP) __________ their new discovery a secret for many centuries. Finally, in the 10th century, paper (7. BRING) __________ to Europe by the Arabs. The first European paper mill (8. BUILD) __________ in Spain in 1150. Since the 18th century, most paper (9. MAKE) __________ out of wood, because it is much stronger than cloth. Today, each person (10. USE) __________ about 300 kg of paper every year. It has become a material that we cannot do without.