用方框中所给单词的适当形式填空，每词仅用一次（每空一词）。

important   send   up   grade   however

Lu Xun was one of the greatest Chinese writers. He was born in a rich family on September 25th, 1881. He grew  in Shaoxing, Zhejiang. Lu Xun was a hard-working student. He got good  and enjoyed reading a lot at school. In 1902, Lu Xun went to study in Japan. Two years later, he started to study medicine there. He wanted to be a doctor and helped people to keep       healthy. , he left his school two years later. From then on, he decided to be a writer. He thought it was more   to help Chinese people think right. He wrote a lot of articles. And he  them to newspapers. Although Lu Xun died, we will remember forever.