括号中的是改正后的单词,没有大的问题,只有个别拼写,大小写以及时态错误而已 sarah saw many pictures on the wall.A clerk named Mary told her the people (in) the pictures were emperors in acient china,they ruled in different dynaties.Qishihuangdi was the fist emperor in china.He ruled Qin dynasty,but somebody did not like him,so they killed him and started a new dynasty which (was) Han dynasty.However,there were still some people did not like (Han) dynasty,so they started (Sui) dynasty.Sui dynasty (was) ended by Tang dynasty.Suddenly,Sarah saw a piece of paper with fancy drawing on it.Sarah asked Mary,"What is this?" "This is a certificate of the people who passed exam made by officials and if you want pass the exam,you must have to read the four (books) and understand the idea of (confucius),because those were the (bases) of study in Tang and Song dynasties.Mary let Sarah look around.Sarah noticed the (Mongolians) ruled China after Song dynasty.The leader was kublia Khan.(Mongolian) people were really lazy,so they canceled the exam.Ming dynasty (revivaled) the exam after Kublia Khan dead.