We are often warned by our teacher not to waste precious time, because time ___1___ will never return. I think it quite ___2___. What does time look like? Nobody knows for we can’t see it or ___3___ it and no amount of money can ___4___ it. Time is abstract, so we have to ___5___ about it.
　　Time passes very quickly. Some students say they don’t have ___6___ time to review all their lessons. It is because they don’t know how to make ___7___ of their time. They waste it in going to theatres, cinemas and parks, and doing ___8___ things. Why do we study every day? Why do we ___9___? Why do most people would rather ___10___ buses instead of walking? The ___11___ is very simple. We wish to save time because time is ___12___.
　　Today we are living in the 21st century. We look upon time as ___13___. When a person dies, his life ___14___. Since life is short, we must ___15___ our time and energy to our study so that we may be able to ___16___ the people well in the future. Laziness is the ___17___ of time, for it does not only bring us failure but also ___18___ us other harm. If it is necessary for us to do our work today, let us do it today and not ___19___ it until tomorrow.
　　Remember that time is much more ___20___ than money.
　　1. A. lost B. found C. expected D. made
　　2. A. false B. true C. abstract D. valuable
　　3. A. get B. have C. see D. touch
　　4. A. find B. buy C. sense D. realize
　　5. A. worry B. discuss C. advise D. think
　　6. A. enough B. little C. valuable D. useful
　　7. A. up B. light C. use D. fun
　　8. A. other B. another C. some D. any
　　9. A. drink B. eat C. think D. work
　　10. A. borrow B. get C. make D. take
　　11. A. question B. answer C. problem D. method
　　12. A. valueless B. precious C. endless D. fast
　　13. A. money B. life C. gold D. water
　　14. A. comes to B. begins C. ends D. lives
　　15. A. waste B. devote C. put D. value
　　16. A. ask