Marco Polo was born in Italy in 1254. He was the most (76) f________ westerner to visit China during the Middle Ages. He wrote a (77) b________ about his travels. He described all the things he saw and heard. Many people read the book, but (78) f________ believed what he said. He spoke of places and people that he knew about at that time. 　　His father, Nicolo Polo, and his uncle were (79) wea________ traders, who regularly traveled to parts of the East. They visited China and became friends with Kublai Khan, the great Mongol (80) em________. It was only when they (81) re________ to Italy from China that Marco, who was now 15 years old, first saw his father. 　　Marco decided to accompany them for their next trip. It took them more than three years to travel the 9,000 miles to Shangtu, (82) cap________ of the Mongol Empire. Kublai Khan had many palaces and Shangtu was the one he used in the summer. It was (83) si________ in the mountains south of the Gobi desert. Every year when (84) su________ was over, he and his friends moved down from Shangtu to Dadu in the lowlands. This was his winter (85) p________ and it is now called Beijing.