阅读下面的短文，在标有序号的空白处填入一个适当的词，或填入括号中动词的适当形式。

问题：

阅读下面的短文，在标有序号的空白处填入一个适当的词，或填入括号中动词的适当形式。

I know how easy it is to start smoking and how difficult it is to stop. During adolescence, I became   79  to cigarettes. When l was young, I didn't know that it could do   80  to my heart and lungs. Neither did I know that my cigarette smoke could affect the   81  of non-smokers. However, what I did know was that my girlfriend thought I smelt terrible and that she wouldn't go out with me again   82  I stopped. 1 also noticed that I became breathless quickly. Then I knew   83  was time to quit smoking. I'm sending you some advice to help you 84  your resolve. Every time you feel like   85 (smoke), remind yourself that you are a non-smoker. I know it is not easy to get rid of the   86 , but millions have managed   87 (quit) and so can you. Keep trying, and you will   88  eventually.