18. If a day at work （exhausts）you, it A. makes you feel very tired. B. gives you energy. C. disappoints you. ...

17. A （portion）is: A. all of something B. nothing C. a part of something ...

15. If you （recognize）several classmates from fifth grade, that means that you A. like them. B. remember them from your school days. C. forget who they are. ...

14. They （withstood）the attackers for forty-eight hours, and then surrendered. A. endured B. insisted C. underwent D. resisted ...

14. If you （prevent）something, you: A. stop it ahead of time B. help it C. give it away ...

13. If you （select）something you: A. break it B. lose it C. choose it ...

12. The opposite of （permit）is: A. not care B. not let C. not see ...

11. When I have nothing to say to them, I often feel （awkward）and want to go out to escape the terrible atmosphere. A. beneficial B. urgent C. embarrassed D. inconvenient ...

10. Students of the Berry School pay for their education by doing part time labor （related to）particular course of study. A. begun with B. connected with C. translated into D. concentrated on ...

9. Her shopping tired her and her bags had grown heavier as she （mounted）the stairs. A. rose B. climbed C. scaled D. ascended ...