Related Clues:

• Hurdle of sorts
• Midterm event
• Do lab work
• Multiple choice, say
• Not give up
• Give 100%, say
• Hear, as a case
• Evaluate by experiencing
• Part of 57-Down
• Measuring device
• Reason for cramming
• Marketing event
• Put out a feeler
• "Don't give up!"
• Acid __