题目内容：

阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

Aristotle was a great philosopher, and many of his writings and teachings have formed the way we think about philosophy today.

At eighteen, Aristotle went to Plato’s Academy1.(study) and stayed there for almost twenty2.(year). From there, Aristotle went to the island of Lesbos,3.he researched botany and zoology. After that, he went on to tutor Alexander the Great, as well as Ptolemy and Cassander. Perhaps the fact that he tutored several kings4.(be) the reason why he is still so famous today. However, Alexander the Great began to suspect Aristotle was making threats against his life.5.(eventual), after Alexander’s6.(die)，Aristotle7. (force) to flee and died of natural causes in Euboea.

Aristotle added much to the field of philosophy. He also made8.significant contribution to science while he was alive. Aristotle’s writings and philosophy have influenced such famous Christian thinkers9. Chaucer, Dante, and Thomas Aquinas. Furthermore, Friedrich Nietzsche took much of his political philosophy from Aristotle, and Ayn Rand looked up to him as well. With so many people10.(look) to Aristotle for philosophic cues（提示）,it is no wonder that his works have survived the test of time.