根据上下文及所给单词的首字母或汉语提示，写出所缺单词的正确形式。（满分10分，每空1分）
Smoking is a very bad habit. First of all, Cigarettes
are expensive. Smokers have to a lot of money 1.
buying them. That is a (浪费) of money. 2.
Smoking is bad for smokers’ h . It may be 3.
responsible for many d . Even worse, it is harmful 4.
to people them. It is said that smoking is one 5.
of the ways to (引起) cancer. Second, there can be 6.
fires can result in a great loss of life 7.
and property because of a smoker’s (粗心). 8.
, we are teenagers and have no income. We have 9.
no right to do that. It will be even worse if we f into 10.
bad habits.
