11. A. it B. one C. these D. I

10. A. because B. when C. after D. before

9. A. Often B. Seldom C. Unluckily D. Fortunately

8. A. chance B. job C. challenge D. time

7. A. win B. succeed C. get D. wish

6. A. hard B. easy C. interesting D. nice

5. A. which B. what C. that D. who

4. A. happiness B. excitement C. fear D. desire

3. A. teacher B. day C. class D. realization

2. A. understand B. learn C. try D. tell