阅读下面材料，在空白处填入适当的内容（最多3个单词）或填入括号内单词的正确形式。
    Decide ____ a day which is not stressful to quit smoking. Make a list ____all the benefits you will get from stopping smoking. Throw away all your cigarettes at the end of the day before you plan to quit. Reread all the benefits you wrote on the list when you feel like ____  (smoke). Develop some other habits like walking, drinking some water,____ (clean) your house and so on to keep you busy. If you feel nervous or ____(stress), try to do some relaxation exercises like deep breathing. You can stop smoking with a friend or join a stop-smoking group. If you feel ____(extreme) bad, ask a doctor or chemist for help. The most important thing is ____(keep) trying. Don't feel ashamed ____ you weaken and have a cigarette, because some people have to try several times ____they finally stop smoking. Hold on ____you will succeed.