1. C. Consult a travel agent.
　　2. A. They are on a long trip by car.
　　3. C. He is unwilling to speak in public.
　　4. B. Purse further education.
　　5. A. He would not be available to start the job in time.
　　6. B. Mechanic.
　　7. D. Ask Laura to put off the cleaning until another week.
　　8. A. A problem caused by the construction.
　　9. C. To place an order for some products.
　　10. A. The person in charge is not in the office.
　　11. B. 0734, 21653 extension 51.
　　12. B. Since he took to heavy smoking.
　　13. A. He is getting too fat.
　　14. D. They dislike doing physical exercise.
　　15. C. To find a girlfriend.
　　16-19音频无。
　　20. B. Considerate.
　　21. A. Someone dumped the clothes left in the washer and dryer.
　　22. C. Informing the building manager of the matter.
　　23. A. She is both a popular and a highly respected author.
　　24. B. The Nobel Prize for literature.
　　25. D. She is a black woman.
　　26. In addition
　　27. software
　　28. available
　　29. individuals
　　30. technological
　　31. manufacture
　　32. In short
　　33. By contrast
　　34. scientific
　　35. quantity
来源:可可英语 http://www.kekenet.com/cet4/201312/270763.shtml