1. Do Nam often play marbles with his friends? .................... 2. What are your favorite subject? .................... 3. The girls are play chess at the moment. .................... 4. My sister is very good on learning Math .................... 5. They are not play soccer now. .................... 6. A doctor takes care for sick people. .................... 7. Let’s us play marbles at recess. .................... 8. I go to Ha noi tomorrow. .................... 9. These students are very good in playing soccer. .................... 10. What does Tung usually does in his free time? ....................