<b>1 or 2 in the pairs below? Or do both work?<br/></b><br/><br/><b>Where did he go -- to the bathroom?</b><br/><b>Where did he go, to the bathroom?</b><br/><br/><b>What is he on -- drugs or something?</b><br/><b>What is he on, drugs or something?</b><br/><br/><b>Thanks.<br/></b>