题目内容：

阅读下列短文，根据短文内容填空，在未给提示词的空白处仅填写1个恰当的单词，在给出提示词的空白处用括号内所给词的正确形式填空。

Most people know yoga as a kind of exercise, 1. aims at developing strength and flexibility. However, 2. yoga is really about is more than just exercise. People do yoga 3. (hear) what their bodies are telling them as well as the quiet voice inside them. In 2014, the Prime Minister of India, Narendra Modi, asked the United Nations to create an International Day of Yoga. The United Nations agreed, and now International Yoga Day is celebrated on 21 June.