Book excerpt: Grammardog Teacher's Guide contains 16 quizzes for this Shakespearean comedy. All sentences are from the play. Quizzes feature famous quotes ("Be not afraid of greatness. Some are born great, some achieve greatness, and others have greatness thrust upon them." "If music be the food of love, play on, give me excess of it." "Better a witty fool than a foolish wit." "I have unclasped to thee the book even of my secret soul." "She sat like Patience on a monument, smiling at grief.").