Giúp em với ạ em cảm ơn

9. We often sit on the sofa and videos. A. relax B. help C. wash D. watch 10. My mobile phone isn't cheap. It's A. cheap D. modern B. big C. small 11. "What do they to do, Jack?" - "I don't know." A. wants B. wanting C. not want D. want 12. After school I in the library. A. study B. br ...