Possible Clues:

• Adolescent cheers up dons put in prison
• 'Shut up!', heads of army training interjected -- 'that's juvenile!'
• Museum tour starting from old city at the end of June is not fully developed
• Young setter's partner round ancient city
• Not full-grown
• Green museum opens terrace upstairs with central area
• Unfinished Dublin museum - that's not true
• Shut up about a Tory leader being inexperienced
• Boatman's grown but yet to reach full potential
• Like child making busy mum irate?