55. 出席 be present at
54. 在某人面前 in the presence of sb = in sb’s presence
53. 为某事做准备 prepare for sth
52. 宁愿做---也不做… prefer to do --- than to do ---
51. 祈求做某事 pray to do sth
50. 为了某事而向某人祈祷 pray to sb for sth
49. 为某事赞扬某人 praise sb for doing sth
48. 练习做某事 practice doing
47. 社会实践 social practice
46. 停电 power cut/ failure