Exercise 9: Find and correct the mistakes. Tìm và sửa lỗi sai. She go to school at 7 a.m every day. GO->GOES Where they are practicing playing the piano at the moment? THEY ARE -> ARE T . Joe isn't swim very well. ISN'T-> DOESN'T -. What you doing in the kitchen now? 5. Why you like making clothes? 5. Is your aunt go to work by car? 7. Look! Children playing hide-and-seek in the playground. B. 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.