MarcoPolotravelledacrossEuropeandAsiawithhisfather，（71）___wantedtodotradewiththeChinese．Eventually，theyarrivedinBeijing．Atthattime，China（72）___（rule）bytheYuanDynastyEmperor，KublaiKhan．Marcowas

　　Marco Polo travelled across Europe and Asia with his father，（71）___ wanted to do trade with the Chinese．Eventually，they arrived in Beijing．At that time，China （72）___ （rule） by the Yuan Dynasty Emperor，Kublai Khan．Marco was amazed （73）___（find） how beautiful and powerful China was and how（74）___ （impress） Beijing and the Emperor's Palace were．It also surprised and even （75）___（confuse） him to see paper money （76）___ （use） in the markets and black stones serve as fuel．．

　　In 1291，after 17years of service（77）___ the Emperor，Marco returned to Italy as a very wealthy man．Unfortunately，a local war broke out and he was caught and put into prison．（78）___，Marco was lucky enough to meet （79）___ prisoner who enjoyed listening to his （80）___ （story） about China and wrote a book called The Description of the World．