4.(inform/informed/information) a.They have reliable that a terrorist attack is planned next month. Key:information b.Although he was ill in bed,he was kept well of the latest developments in his field. Key:informed 4. (inform/informed/information) a. They have reliable ______ that a terrorist attack is planned next month. Key: information b. Although he was ill in bed, he was kept well _____ of the latest developments in his field. Key: informed