Hi, teachers,<br/><br/>I have a question.<br/><br/>I have two brothers. One is a doctor, and the other is a teacher.<br/><br/>in other words...<br/><br/>(a.) My brothers are doctor and teacher.<br/><br/>(b.) My brothers are a doctor and a teacher.<br/><br/>which is correct?<br/><br/>Thank you for your help!!!!