题目内容：

短文填空

阅读下面材料，在空白处填入适当的内容（1个单词）或填入括号中单词的适当形式。

A proverb says, "Time is money". But in my opinion, time is even 1.precious than money. Why？2. when money is spent, we can earn it back. However, when time is3.（go） , it will never return. 4. is known to all that the time we can use is limited. Therefore we should make 5.use of our time to study hard so as to serve our country in 6.future. But it is a pity that there are a lot of people7.do not realize the value of time. They waste their precious time smoking, drinking and playing. In 8. word, we should form the good habit of9.(save) time. Do not put off what can be done today10. tomorrow.