Hello,<br/><br/>I have to use "head-on" adjective in the senetnce given below.<br/><br/>1. The two cars were involved in a direct collision.<br/><br/>The answer should start i.e<br/><br/>a) The two cars <i>___________________</i>.<br/><br/>My approach to this is<br/><br/>b) The two cars were head-on collided.<br/><br/>c) The two car were collided head-on.<br/><br/>Which one is correct (b) or (c) or none?