閱讀下面短文，并判斷文字正誤。如果原文正確，則在該行右邊的橫線上標(biāo)一個(gè)勾（√）；
如果原文有誤（每行只有一處錯(cuò)誤），則按下列方法對(duì)錯(cuò)誤之處予以修改：
該行錯(cuò)詞：在錯(cuò)詞下劃一橫線（ _____），并在該行右邊橫線上寫出修改后的詞。
該行缺詞：在缺詞處加一個(gè)漏字符（?），并在該行右邊橫線上寫出該添加的詞。
該行多詞：把多余的詞用斜線（/）標(biāo)注，并在該行右邊橫線上寫出該詞，然后用斜線把該詞劃掉。
Dear Leslie，
   I'm glad to receive your email.You asked me share with you what I'm doing in the epidemic situation.Here is my experiences.Since the outbreak of novel coronavirus pneumonia in Wuhan on December，2019，I have been staying at home.On the first hand，I pay close attention to the epidemic situation through watch CCTV new or surfing the Internet；on the other hand I insisted on studying.Not only do I read books，but also I have online courses who given by my teachers.Besides，I take exercise every day to keep health.Faced with the disaster，many people includes doctors，nurses and scientists act brave and work hard to fight against it.They are real heroes.
   Thank you for your concern.I'm looking forward to your reply.
Yours，
Li Hua