28. A. operating B. cycling C. turning D. rushing
29 A. check B. carry C. find D. board
27. A. to B. through C. over D. for
26. A. practice B. routine C. process D. service
25. A. used B. promised C. deserved D. happened
24. A. climate B. scenery C. storm D. burden
23. A. order B. pay C. call D. search
22. A. forced B. refused C. adjusted D. gathered
21. A. break B. flood C. sink D. crash
19. -Did you make sense of what the man said just now?
-No, his meaning didn’t .Would you explain it to me?
A. get through B. get off C. get across D. get out