第一组 1. ___________(base) on the facts, her conclusion was quite persuasive. 2. Mike has been dreaming of there ___________(be) a digital camera of his own. 3. The teacher commanded that he ___________(go) out of the classroom. 4. With the dog ___________(lead) the way, the police found the missing old man. 5. This is the best way I could think of ___________(stop) people getting into such a dangerous area. 6. By the time this letter reaches you, I ___________(leave) for Paris for further education. 7. By the time his mother got home, he ___________(fall) asleep. 8. By now, we ___________(learn) English for about eight years. 9. The last few years of these scientists were spent ___________(search) for the cure for SARS. 10. If ___________(choose), he will continue to spend another four years getting trained. 11. This e-mail to the president still requires ___________(revise). 12. Steve Fossett finally landed safely after he ___________(manage) to mend the balloon. 13. The Olympic Games ___________(hold) in Beijing in August will surely be the best. 14. The child stood in the corner, with his eyes ___________(stare) at me. 15. The child stood in the corner, with his eyes ___________(fix) upon my pockets. 16. This medicine can’t help ___________(cure) this disease. 17. Waving one’s arms can be accepted as ___________(cry) for help. 18. The ancient Egyptians are supposed ___________(send) rockets to the moon. 19. All she needed ___________(add) to her happiness was a baby. 20. When he came to life, he found himself ___________(lie) in hospital. 21. I tried to avoid ___________(meet) him because he always bored me. 22. He tried ___________(tap) on the front door, but nobody answered. 23. I hope you will keep us ___________(inform) of how you are getting on with the work. 24. There’s a piece of paper on the desk ___________(say) that I was fooled. 25. The medicine ___________(produce) in this company26 ___________(prove) useful.