11. A. what be studied B. what should study C. what to study D. what studied
12. A. In three years B. For three years C. After three years D. Three years
13. A. never would be B. would be never C. would not be ever D. would never be
14. A. I didn't either B. Nor I did C. So didn't I D. Also didn't I
15. A. Not al1 B. Neither C. Nor D. Both
16. A. since B. while C. before D. whereas
17. A. understand B. recognize C. suggest D. inform
18. A. speaking B. to say C. to speak D. saying
19. A. a lot B. much C. a bit D. more
20. A. as B. being C. to be D. but