（ ）14. Mary is only in charge of all employees in the office.

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

45. How can we become a good reader?

Conversation 28.

28. Only when he returned from the exchange program________how much he enjoyed it.

21. The couple got to the station______the coach left.

（ ）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.

32. It is said that body language_____________ 55 percent of a first impression while what you say just 7 percent. 

33. —How can I take the medicine, sir?—Just follow the ______on the bottle.

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

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

（ ）13. His secretary stays in the office helping her boss to deal with some daily routine.