1. Can I say "I'm fine." to the question "How are you doing?"?<br/><br/>2. Can I also say "I'm fine." to the question "How have you been doing?"?<br/><br/>I would really appreciate your help. Thanks. <img class='emoticon' style='Width:19px;Height:19px;' data-delaysrc='https://uat-englishforward-forums-backend.s3.us-west-2.amazonaws.com/Emoticons/1.gif' src='https://uat-englishforward-forums-backend.s3.us-west-2.amazonaws.com/Emoticons/1.gif' alt='Emotion: smile'/>