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ly her daughter would make an even bigger effort ______ her? A. please B. pleased C. to please D. having pleased 9. Lots of empty boots were found under the old man’s bed. He must have done nothing but ______. A. drink B. to drink C. drinking D. drunk 10. The local health organization is reported ___ twentyfive years age when Dr. Adudon became its first president. A. to be set up B. being set upC. to have been set up D. having been set up11. I heard him __the door. A. locking B. to lock C. lock D. being locking12. He does nothing but___. A. plaining B. to plaining C. plain D. to plain 13. The students expected there___ more reviewing classes before the final exam. A. is B. being C. have been D. to be 14. The bank is reported in the local newspaper ___ in broad daylight yesterday. A. to be robbed B. robbed C. to have been robbed D. having been robbed 15. I appreciated ______the opportunity to study abroad two years ago. A. having been given B. having been C. to have been given D. to have given 16. There is no point ___further. A. argue B. to argue C. arguing D. being arguing 17. Nowhere in nature is aluminum found free, owing to its always ___with other elements, most monly with oxygen. A. bined B. having bined C. bine D. being bined 18. They stopped ___, but now I’m getting interested. A. listening B. to listen C. listen D. having listening 19. I am sorry to hear that you resorted ___. A. to cheat B. to cheating C. cheating D. cheat 20. He wasn’t asked to take on the chairmanship of the society, ___ insufficiently popular with all members. A. being considered B. consideringC. to be considered D. having considered二、強化闖關1. No puters so far having built can have the same ability as human brains.2. Guiding by a belief that puters would be valuab