Exercise 9: Find and correct the mistakes. Tìm và sửa lỗi so .She go to school at 7 a.m every day. 2. Where they are practicing playing the piano at the moment? 3. Joe isn't swim very well. 4. What you doing in the kitchen now? 5. Why you like making clothes? 6. Is your aunt go to work by car? 7. Look! Children playing hide-and-seek in the playground. 8. Does your brother has a collection of coins? 9. Their daughters aren't paint pictures now. 10. Our mother doesn't drink usually coffee every morning.