45.A.work B. time C. energy D. change (D)
44.A.by B. for C. on D. with (B)
43.A. chief B. basic C. actual D. total (D)
42. A. around B. in C. behind D. to (D)
41. A. walking around B. passing by C. packing up D. running off (C)
40. A. moment B. day C. break D. event (B)
39. A. words B. effort C. space D. money (D)
38. A. Disappointedly B. Unfortunately C. Coincidentally D. Comfortably (A)
37. A. happiness B. sadness C. love D. hate (A)