1. Mount Everest ... (always, attract) explorers. 2. George Everest ... (measure) the height of the mountain in 1852. 3. The first British climbers (send) to the mountain in 1921 to look for a possible route to the summit. 4. During the next thirty years several expeditions to the mountain (organize) by Great Britain and other European countries, but all these attempts to conquer Everest ... (fail). 5. A new British expedition of 1953 finally ... (bring) success. 6. On May 29, 1953 Edmund Hillary and Tenzing Norgay the summit. 7. Hillary ... (be) a 33-year-old beekeeper from New Zealand and Tenzing ... (be) a Sherpa, 6 years older than Hillary, and he ... (already, climb) Everest six times with different climbing teams. 8. It ... (take) the two men five hours to climb 350 metres from camp 9 to the summit. 9. For 15 minutes Hillary and Tenzing ... (stand) on the top of the world. 10. While Hillary ... (take) pictures, Tenzing ... (leave) chocolate and some biscuit on the top to please the gods. 11. By now Everest ... (climb) several times, but still it ... (remain) one of the most difficult peaks for climbers. 12. There ... (be) thousands of those who ... (dream) of conquering the mountain today and there ... (be) thousands of those who ... (dream) of conquering the mountain tomorrow.