Prepositions Quiz 9 1. She wrote _____ pencil. at on in by None 2. They didn't play _____ the rules. at on in by None 3. They should be here _____ tomorrow. at on in by None 4. The full report is available _____ the internet. at on in by None 5. He's very serious when he's _____ work. at on in by None Time's up Explanation Subscription Quizzes