Nick has beenill for two days. His mother, Nancy Hill, is writing an absence excuse letterto his teacher, Ms. Shirley Hudson. Help Nancy to write the letter. You may usethe following hints. （1）Nick是哪个班的学生，什么时间请假，什么原因，是否有医嘱？ （2）请求学校有关负责人的谅解，并请学校若有问题就与家长联系。