A. cheaper

　　B. cheapest

　　C. cheap

　　D. more cheap

　　13. 　, I would like to thank everyone who helped to make this event possible.

　　A. In conclusion

　　B. In fun

　　C. In word

　　D. In case

　　14. (2017·大庆模拟)Alice was supposed　at home, but her mother found her surfing the Internet.

　　A. studying

　　B. to be studying

　　C. to have studied

　　D. studied

　　15. A computer is the most important piece of　you will buy.

　　A. furniture

　　B. tool

　　C. equipment

　　D. technology

　　Ⅱ. 完形填空

　　(2017·南昌模拟)

　　It was at a concert that I happened to find David. He was holding his head at a strange　1　as if he were staring down at something. Then the truth struck me. He was blind. The last thing he remembers　2　was his daughter being born. Then the world went　3　.

　　Bad luck is no stranger to this 44-year-old man. His mother died of cancer, and his weak father had to　4　11-year-old David to the care of the state.

　　Things seemed always to go from bad to　5　. Two years ago, his beloved guide dog pulled him out of the　6　of a truck. David was not hurt. The dog　7　.

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