C. is cleaned 19. All the iron doors D. was cleaned by wooden doors. B. must replaced D. must to be replaced dinner when the phone rang. A. am having B. was having C. had had A. must be replaced C. must replaced 20. I D. have had 21. It would have been a much more serious accident if fast at the time. A. had she have driving C. she had driven B. was she driving D. she drove for these positions are required to have C level in English. C. appliances D. applications 22. All the A. applicants 23. When he A. arrives В. aply he will tell us about the match. es. ry D. is arrive. B. will arrive 24. The firemen have been examining the ground B. for C. arrive yesterday. D. by A. since 25. The giris and flowers A. who C. ago he painted were vivid. C. whose that I can't finish in twenty minutes. D. that B. which 26. The test was A. too long 27. Had he tried to work harder last semester, he examination. D. such long B. long enough C. so long the final - at C. wouldn't fall D. would have passed A. would pass B. will pass 28. It'd no use_to persuade him to change his mind! He's very stubborn! A. to try C. try D. tried - Bob : “ Good morning B. trying 190