Rewrite each sentence with the correct comma usage for words of direct address. Use the “Check Answer” button to see mistakes and the “See Explanation” button for feedback.
1. John did you know that eating blueberries can improve memory?
2. Sarah have you heard that omega-3 fatty acids are good for the brain?
3. Dr. Smith can you explain how diet affects memory?
4. Professor Lee do you think eating breakfast improves focus?
5. Emma have you tried adding nuts to your diet for better memory?
6. Alex do you believe that hydration affects cognitive function?
7. Dr. Patel can you recommend foods that boost memory?
8. Lisa did you know that dark chocolate can improve brain function?
9. Mr. Brown can you explain the connection between sugar and memory?
10. Rachel have you considered eating more leafy greens for better memory?