假如你是李林，家住北京。你的英国笔友Helen给你发来一封E-mail。请你根据该E-mail的内容给予回复。 要求: 1. 词数80～100。2. 语句完整、通顺、语义连贯，格式正确。  注意: 请将该题答案写在答题纸的指定位置。邮件的开头部分需仿照Helen的E-mail填写完整，不计入要求词数。From: Helen 1987@hotmail.comTo:li-lin87@yahoo.comSubject: Hi, Lin!Dear Li Lin, How have you been recently(近来)  How are your parents  I know your mother is a doctor. What is she doing now  I have read a lot about SARS in China, especially in Beijing, and is it true that all the schools are closed  How do you study your lessons then  I've heard that people are afraid to go out. I'm really worried about you. Please write to me as soon as possible. Good luck!　　　　　　　　　　  Yours,　　　　　　　　　　 HelenFrom:_______To:______Subject:______Dear_____,  ______________________________...