31. A. in time B. in part C. in case D. in common

　　32. A. Since B. Because C. As for D. Because of

　　33. A. amount B. account C. accord D. acclaim

　　34. A. However B. Whatever C. Whenever D. Wherever

　　35. A. greatly B. handsomely C. meaningfully D. significantly

　　36. A. live B. living C. alive D. lively

　　37. A. Until B. Unless C. Whether D. Once

　　38. A. incomes B. interests C. revenues D. returns

　　39. A. cases B. conditions C. chances D. circumstances

　　40. A. safe B. risky C. tempting D. feasible