阅读下面材料,在空白处填入适当的内容(1 个单词)或括号内单词的正确形式。
Habits, whether good or bad, are gradually founded. When a person does a certain thing again, he 1 (drive) by an unseen force to do the same thing 2 (repeat); then a habit is formed. Once 3 habit is formed, it is difficult, and sometimes 4 (possible) to get rid of. It is therefore so important that we should pay great attention to the formation of habits. Children often form bad habits, some of 5 remain with them as long as they live. 6 (lazy), lying, stealing and so on are all easily formed bad habits. However, there are many 7 habits formed in early life that are of great help. Many successful men say much of their success has 8 to do with certain habits in early life like early rising and honesty. We should keep away 9 all these bad habits, and try 10 such habits as will be good for ourselves and others.