Complete the following sentences with a,the or no article. 1. football is game. 2. when my grandfather was child he could play football very well. 3. football is large ball filled with air. 4. we play tennis after classes. 5. my mother can play guitar. 6. guitar is musical instrument made of wood. 7. somebody is playing piano. 8. its very difficult to play violin. 9. my friends and i play hockeyin afternoon. 10. violin is musical instrument with four strings.