（ ）12. He is going to visit some cities on his trip.

29. ______ people in the world are sending information by E-mail every day.

22. It was quite a long time ________ I figured out what had happened to the manager.

38. What is the benefit of this two-way interaction?

（ ）54. The salesperson may try to sign you up for a higher rate than you could get elsewhere.

44. Why should we must read instructions slowly?

（ ）51. Many dealerships prey on the unprepared.Going into a showroom “cold”一without having gathered key facts and preliminary(初步的) pricing figures - gives the salesperson too much control over the buying process.

23. If we ________ now to protect the environment, we‘ll live to regret it.

46. Self-introduction Job target: to be ______ in a demanding, fast-paced multitasking office.

19. ______makes the book so extraordinary is the creative imagination of the writer.

48. skilled in meeting organizational______;

49. serve as ______ of the Lambert Warner Christmas Ball for the last two years;