EX4. Gạch lỗi sai trong các câu sau rồi sửa lại cho đúng. 1. My friend and I was at the hairdresser’s yesterday. ________________________________________________________________________ 2. My sister in law used to had long hair but now she has short hair. ________________________________________________________________________ 3. Did your father worked in a tobacco factory before he retired? ________________________________________________________________________ 4. Why you didn’t come to the meeting last week? ________________________________________________________________________ 5. My best friend and I use to hated each other when we first met. ________________________________________________________________________ 6. Was Anna be successful with her project last week? ________________________________________________________________________ 7. Yesterday morning I readed several chapters of the book “The little prince”. ________________________________________________________________________ 8. Last summer we involved in community service in our neighborhood, so we did go on holiday. ________________________________________________________________________ Làm nhanh giúp mk nhé