59. attitude to toward …对…的态度.看法　

58. attend to (=give one’s attention, care and thought)注意,照顾;attend on(upon)(=wait upon, serve, look after) 侍候,照料　

57. make an attempt at doing sth. (to do sth.) 试图做…　

56. attach(to) (=to fix, fasten; join) 缚, 系 ,结 　

55. assure sb. of sth. (=try to cause to believe or trust in sth.) 向…保证, 使…确信.　

54. be ashamed of (=feel shame, guilt or sorrow because of sth. done) 以…　 为羞耻　

53. arrive on 到达; arrive at 到达某地(小地方);得出,作出; arrive in 到达某地(大地方);　

52. arrange for sb.sth. to do sth. 安排…做…　

51. arise from(=be caused by) 由…引起.　

50. approve of (=consent to, be in favor of, favor, agree to, consider good, right) 赞成, approve vt. 批准