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, you would find the airplane in the sky easilyA. Had it not been for B. If it were not C. If it had not been for D. Were it not for12. If my lawyer ____here last Sunday, he ____ me from goingA. had been, would have prevented B. had been, would preventC. were, prevent D. were, would have prevented 13. ____hard, he would have passed the examA. If he were to work B. Had he worked C. Should he work D. Were he to work14. ____today, he would get there by FridayA. Were he to leave B. If he had left C. Did he to leave D. Had he left15. Had you listened to the doctor, you ____all right nowA. are B. were C. would be D. would have been16. I did not see your sister at the meeting. If she ____, she would have met my brotherA. has e B. did e C. e D. had e17. He ____busy yesterday, or he ___you with your experiment.A. was, had helped B. was, would have helped C. had been, would have helped D. were, would have helped18. If it ____for the snow, we____ the mountain yesterdayA. were not, could have climb B. were not, could climb C. had not been, could have climbed D. hadn’t been, could climb 19. Without electricity, human life ____quite difficult todayA. is B. will be C. would have been D. would be20. I am going to tell her the newsI would as soon as you _____her about it A. didn’t tell B. don’t tell C. hadn’t tell D. won’t tell21. Mike’s father, as well as his mother, insisted he ____homeA. stayed B. could stay C. has stayed D. stay22. It was requested that the play ____againA. should put on B. would put on C. be put on D. put on23. She insisted that a doctor _____ immediatelyA. had sent for B. send C. be sent for D. was sent24. Did you scold him for his carelessnessYes, but ____itA. I’d rather not do B. I’d rather not have done C. I should’ t do D. I’d better not do25. If only I ___my carA. hadn’t lost B. wouldn’t lose C. didn’t lose D. haven’t lost26. But for water, it ____impossible to live in the earthA. is B. would be C. were D. wouldn’t be27. I would rather you ____anything about it for the time beingA. do B. didn’t do C. don’t D. didn’t28. The kindhea