Related Clues:

• What makes one done?
• Almost-failing mark
• Datsun starter?
• Grade near failure
• Not-so-great grade
• No grade to write home about
• Ruby or Sandra of film
• Ruby of "A Raisin in the Sun"
• Barely passing
• Capital of Delaware?
• Gold finish?
• River through Wales
• Scrabble two-pointer
• Danish capital?
• End to end?