从方框中选择恰当的单词完成句子，注意单词形式。

teenager, success, smoke, choose, two

The sign means “ NO ______ ”.
We all think _______ shouldn’t be allowed to stay out late.
He thinks this is his ______ lifestyle.
He goes to help the old man _______ a month.
We shouldn’t spend too much time _______ our own clothes .