Related Clues:

• Word with litmus or acid
• Make an attempt
• Class struggle?
• "Old college" effort
• Tryout
• Have a sample of
• Surprise quiz found in the eight longest puzzle answers
• Multiple-choice, e.g.
• Do your darnedest
• Put out a feeler, maybe
• Take a stab
• Means to a diagnosis
• The old college __
• Reason for a cram session
• Acid follower