43. answer for (undertake responsibility for, be liable for, take charge for) 对…负责.

　　44. answer to (=conform to) 适合,符合.

　　45. be anxious about 为…焦急不安; 或anxious for

　　46. apologize to sb. for sth. 为…向…道歉

　　47. appeal to sb. for sth. 为某事向某人呼吁. appeal to sb. 对某人有吸引力

　　48. apply to sb. for sth. 为…向…申请; apply for申请; apply to 适用.

　　49. apply to 与…有关;适用

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

(责任编辑：田学江)