41. You've completely ____A. destroyB. ruinC. spoil_____ my

41. You've completely ____A. destroyB. ruinC. spoil_____ my day.
41. You've completely ____A. destroyB. ruinC. spoil_____ my day.
42. Their traditional way of life has been ___A. destroyB. ruinC. spoil______.
43. Too much sugar can ___A. destroyB. ruinC. spoil______ your teeth.
44. I don't want to ____A. destroyB. ruinC. spoil_____ your fun.
45. The school was completely ___A. destroyB. ruinC. spoil______ by fire.
帮忙选出正确的答案并解释,谢谢~~~急