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

35. Before taking a bus, they have to take a boat from _______ the lake.

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

43. What should you read quickly when you read?

63.我们从未怀疑你对此事件所作解释的真实性。

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

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

66.Since its establishment, the Hope Project has won widespread support from Chinese citizens, who have generously donated money, clothing and school supplies to help poor children in rural areas go back to school. The setting up of the project indicates that the Chinese authorities have finally come to terms with realities in the countryside, where life is still difficult, and, for many young children, going to school is economically infeasible.

Conversation 28.

34. Students usually hold a positive________towards school if their parents clearly value education.

（ ）53. Salespeople like to mix financing, leasing, and trade-in negotiations together, often asking you to negotiate around a monthly payment figure. This tactic (策略) gives the dealer more latitude to offer you a favorable figure in one area while inflating figures in another.

50. act as a hostess; the only executive assistant entrusted with client greeting, tour leading, and______.