Tìm lỗi sai rồi sửa 18. Nam’s brother favorite comic book is Doreamon . ___________________ 19. Where will you are next summer holiday ? ___________________ 20. In IT lesson , we learn how using computers . ____________________ 21. How many bench are there in your house ? ____________________ 22. We celebrate Teachers’ Day twice a year , on 20 November_________________ 23. . He goes to the English club three times a week , on Monday and Wednesday afternoon. ______________________ 24. Mai’s favourite subject is Art because she loves singing ._____________________ 25. How many do have science ?Twice a week . _____________________ 26. The elephants are moving slow . _____________________ 27. What did the tigers do at the zoo ?They roar loudly . _____________________ 28. He always wash his hands before luchtime . _____________________ 29. The food in my hometown is fresh and expensive. _____________________ 30. They will built sandcastles on the beach tomorrow .