【正文】
aid __________ the dog in case it became dangerous. A. of exciting B. to excite C. that she excited D. to be exciting 26. The bad weather meant__________ the rocket launch(發(fā)射 )for 48 hours,. B. having delayed delay D. to have delayed 27. D0 you consider it any good__________the truck again? A. to repair B. repairing C. repaired D. being repairing 28. _____________to somebody, a British person often shakes hands with the stranger. A. Introducing B. To introduce C. To be int. roduced D. On being introduced 29. __________ in thought, he almost ran into the car in front of him. A. Losing B. Having lost C. Lost D. To 30. Mary ___________to see you. She. _________ for you downstairs at the moment. A. has e; is waiting B. came; is waiting C. has e; waited D. came; was waiting