1. These books are ......... informative ones A. wonder B. wonderfully C. wonderful D. wondered 2. The secretary felt .... sorry about her mistakes A. terror B. terrible C. terribly D. terrorist 3. The car is .... without petrol A. use B. useful C. useless D. uselessness 4. The food was .... thrown away A. waste B. wasteful C. wastefully D. wastes 5. I think my sister was ..... right when she said so A. reason B. reasonable C. reasoned D. reasonably 6. My boss seems to be very ... with my work A. satisfaction B. satisfy C, satisfying D. satisfied 7. Our sister plays the piano ... well A. tolerable B. tolerate C. tolerbly D. tolerance 8. ...... have been established to protect animals A. preservation B. preservative C. reservations D. A and C 9. We should do something to save .... animals A. danger B. dangerous C. endangered D. endanger 10. I'm always ... about ... symbols and formulas A. confused/ chemical B. confusing/chemist C. confused/chemistry D. confuse/chemist's 11. We can no longer put up with his ... behavior A. children B. childlike C. childish D. childless 12. We found the boy ... He couldn't do anything for us A. helpful B. helpless C. helping D.unhelp 13. Skilled workers are ... admitted here A. preference B. preferential C. preferentially D. prefer 14. This work will be ... and ... done by machines A. fast/ automatic B. fastly/automaticly C. fast/ automatically D. fastly/automation 15. Mordern .... perhaps causes more problems than it solves A. technical B. technique C. technicians D. technic