2. I had a very good time ______ I didn’t know anybody at the party. A. although B. though C. even if D. even though ...

1. This is all ______ she told me. A. / B. that C. which D. what ...

22. Even a tiny ______ in the wing of an airplane can cause the plane to crash. A. flaw B. sample C. comment ...

21. Peeling apples, rolling out a crust, and cleaning up afterward is a lot of ______, but the taste of apple pie is worth all the work. A. effort B. guarantee C. advice ...

20. The opposite of （grasp）is: A. let go B. smile C. shake ...

19. Before graduation, he （entertained）his friends at a restaurant to reward them for their support or friendship. A. treated B. served C. attracted D. appreciated ...

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 ...