I really don''t know

liyantao7800

i think use"i was not very well or i was  feel very uncomfortable or my health was weak"may be suitable.
                 

xiaobaioo

dear sir
  i’m terribly sorry  that i wasn’t able to come  to the class this morning owing to a severe attack of illness. i enclose a certificate  from the doctor  who is attending me,and he fears it will be several days before i can attend the classes.
  i trust that my enforced absence will not bother you!
我照着这篇文章打了一遍   发现英语不纯正  语法错误比较多  比如：i wasn’t able to come  to the class this morning句中wasn’t 和this morning矛盾（低级错误） “i enclose a certificate  from the doctor  who is attending me”这句语态有毛病：照看我的医生明显是过去式 所以不能用is+ing格式  he fears 这种讲法是china-english，这种情况要尽量予以避免！                 

471607220

好专业 的词汇了，呵呵                 

wxlg83

好专业，好多高手，从现在起把“专业英语”加入收藏夹！向各位老大学习