题目内容：

阅读下面一段材料，在空白处填入一个适当内容（不多于3个单词）或使用括号中词语的正确形式。

Here are some habits based on research from many sources. 1.________ is essential to master them if you intend to master a successful life. Anybody who works to develop these qualities 2.________ (experience) excellent results.

People who master their lives are people who know what they want and are willing to devote energy to 3._______ (achieve) it. They develop the habit of writing their most important goals.

People who master their lives create healthy relationships. They get along well with the people 4. ________ whom they live and work. They give special attention to their family.

People who master their lives are honest. They do5._______ is right. They live by their own principles.

People who master their lives accept their strengths as well as their 6.________ (weak).

People who master their lives take care of their bodies. They exercise regularly and have a far 7. ________ (healthy) diet. They usually don’t smoke and don’t drink much.

People who master their lives control their time. They take at least 8. ________ hour every day for personal time. They spend daily time with close friends or family, and don’t spend too much time in areas 9.________ are unimportant.

Master these habits，10. ________ you will master your life and even master your future.