Possible Clues:

• Made progress, as one's marks demonstrated
• I am put to the test, that�s better
• I am conclusively shown to be better
• Imogen is shown to be better
• Spirit wandered but made progress
• Honed
• Better make certain one gets doctor round
• Film regularly shown got better
• Short, spontaneous performance edited, so better
• One Frenchman established beyond doubt and made progress