49. A. of           B. on             C. in                D. at

48. A. leaves        B. drives          C. takes             D. rides

47. A. weekdays                      B. Saturday and Sunday   

C. weekends                      D. Friday and Saturday

46. A. pilots         B. reporters        C. tourists           D. actors

45. A. foreign        B. national        C. international       D. southern

44. A. everywhere     B. anything       C. somewhere        D. something

43. A. go camping                     B. do some shopping

C. go hiking                       D. stay at home

42. A. from           B. during         C. of                D. on

41. A. for            B. in             C. on                D. at