题目内容：

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。

I am Adam Rouse. I first 1. (buy) cannabis from a man in the street and continued to buy cannabis from2. (he) for six months and as a result, I got addicted 3. it. One day, the man offered me some crack cocaine, a more 4.（power）addictive. When I went back to the man for more crack cocaine, he asked me for a lot of money. I was in terrible pain when I couldn’t afford to buy any drugs. 5. (get) money, I broke into6. house and stole something to sell for money. The more drugs I took, the more addicted I became. So I had to steal something every day to pay for the drugs. One day, I7.（catch）stealing and sent to the police station. The next day, a doctor came to see me and told me that I could die 8. I couldn’t stop taking drugs. I took his advice and stopped 9.(immediate). Now I work in a center for drug addicts, 10. (help) others to stop taking drugs.