答案：wealthy

　　10．The language is still ________ use today.

　　解析：in use 在使用。

　　答案：in

　　Ⅲ.语法填空

　　Marco Polo was born in Italy in 1254. When he was 17 years old, he travelled across Europe and Asia with his father, __1__ wanted to do trade with the Chinese. __2__ (eventual), they arrived in Beijing. The Chinese emperor welcomed Marco and his father. He was happy to meet two foreigners.

　　Marco, __3__ turn, was amazed by the beautiful and __4__ (power) China was. He was very impressed by Beijing and the Emperor's Palace, __5__ (especial) the Summer Palace __6__ he described as "The greatest palace that ever was."

　　There were inventions and __7__ (develop) in China which were not available in Europe at that time. He was __8__ (confuse) by the black stones people used to burn for fuel. In 1291, after 17 years of service to the Emperor, Marco returned to Italy. He was now a very __9__ (wealth) man. Not long after his returm, a local war broke __10__ near his town. During the war, Marco was the captain of a warship but was caught by the enemy and was put into prison.

　　答案与解析

　　1．who　先行词为人，定语从句中缺主语，故用 who 引导。

　　2．Eventually　eventually 最后。

　　3．in　in turn 反过来。

　　4．powerful　形容词作定语。

5．especially　especially 尤其。