11. A. happened B. know C. seemed D. felt
10. A. spelling B. grammar C. English D. pronunciation
9. A. From B. On C. Since D. After
8. A. make B. help C. let D. allow
7. A. knowledge B. time C. money D. English
6. A. found B. watched C. noticed D. known
5. A. questions B. problems C. ideas D. answers
4. A. learning B. enjoying C. trying D. liking
3. A. native B. foreign C. useful D. mother
2. A. difficult B. important C. necessary D. easy