语法填空（共10小题；每小题1.5分, 满分15分）
阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为1-10的相应位置上。
Habits, whether good or bad, are gradually formed. When a person does a certain thing again, he _______(drive) by an unseen force to do the same thing _________ (repeat) ; then a habit is formed. Once _____ habit is formed , it is difficult, and sometimes __________ (possible) to get rid of .It is therefore very important that we should pay great attention to the formation of the habits.
Children often form bad habits, some of ______remain with them as long as they live.______(lazy),lying, stealing and so on are all easily formed bad habits. However, there are many _______ habits formed in early life that are of great help. Many successful men say much of their success has ______to do with certain habits in early life like early rising and honesty. We should keep away ______ all the bad habits and try to form such good habits______ will be good for ourselves and others.