11. Ms. Ishihara is the most _____ and hardworking employee in the section. A. efficient B. efficiently C. efficiency D. efficacy 12. These chemicals are highly toxic, so anyone handling them must be closely _____. A. supervision B. supervisor C. supervised D. supervises 13. Of all the applicants for the post, Mrs. Walters seems to be by far the strongest _____. A. candidacy B. candidate C. candidature D. candidates 14. Drivers on the Partan Expressway are reminded to drive _____ throughout July because of the ongoing construction work. A. caution B. cautious C. cautiously D. cautiousness 15. The chief engineer noted that constructing another bridge would be more _____ than repairing the existing structure. A. economy B. economics C. economic D. economical 16. The study showed that customers aged 35 to 44 paid with a Sonoka credit card _____ than customers in any other age-group. A. frequent B. more frequent C. more frequently D. more frequency 17. The rear entrance to RC Bank will be closed for repairs and not _____ next Monday. A. accessible B. accessing C. access D. accesses 18. The university welcomes _____ from mature students. A. applications B. applicants C. application D. applicant 19. Dillon studied _____ at Manchester university. A. economist B. economy C. economics D. economize 20. All sales staff are asked to acknowledge their _____ in Monday’s workshop. A. participate B. participates C. participant D. participation 21. South Regent Aviation is adopting measures to reduce fuel expenses by _____ cargo loads. A. light B.lighten C. lightly D. lightening 22. Yerrow Cameras’ lenses have a long telephoto reach yet an _____ lightweight casing. A. exceptions B. exception C. excepting D. exceptionally Mng giúp mình voiwsw mình cần gấp 10h15 mình phải nộp r chỉ cần đáp án k cần lời giải