10. A. looking B. seeing C. looking at D. watching
9. A. What to B. How to C. When to D. Where to
8. A. trouble B. being troubled
C. troubling D. to be troubled
7. A. sit B. catch C. get in D. take
6. A. the much pleasant B. the more pleasant
C. the most pleasant D. the very pleasant
5. A. am reading B. have read C. had read D. read
4. A. things B. books C. information D. knowledge
3. A. from B. with C. and D. by
2. A. read B. reading C. to read D. am reading
1. A. as long as B. as soon as C. as well as D. as much as