IV:Hoàn thành các câu sau:(Chuyển sang câu phủ định) 4.( where / John / come from?) 5.( how long / it /take from London to Paris/) 6. (how often / she / go to the cinema?) 7. (how many children / you / have?) 8.(when / you / gep up?) 9. (how often / you / study English?) 10. (what time / the film /start?) 11. (where / you / play tennis?) 12. (what sports / Lucy / like?) 13.( how / they / get to work?) 14. ( how often / I / come here?) 15.( where / she / live?) 16.( why / you / eat so much chocolate?) 17. ( what  / this machine / do?) 18. ( who / she / meet on saturdays?) 19. ( how many brother / she / have?) 20.( how / much / this / cost?) 21.( where / you / eat lunch?) 23. Where / we? 24. Who / you? 25. Why /he / late?