提示：爱丽丝的妈妈病了，爱丽丝想向老师格林先生请几天假。
Alice :Excuse me. Mr. Green. I´ d like to take a few days off.
Green : 51 ?
Alice :My mother is ill. I have to take care of her.
Green: Oh dear! I am sorry to hear that. 52 ？
Alice :No.thank you. My mother has caught a bad cold. She has a high fever and coughs day and night. The doctor says my mother has to be in hospital for a few days.I would like to be with her.
Green :I understand. 53 ？
Alice :I hope to be back next Wednesday.
Green:That´s all right. 54
Alice :Thank you, Mr. Green. That´ s very kind of you. I will write it immediately.
Green : 55