42. amount to (=to be equal to) 总计， 等于。
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 51. arise from(=be caused by) 由…引起。