Bài 2: Chuyển những câu sau sang câu phủ định và nghi vấn 1. Nam wrote an essay in Literature class this morning. 2. I watched TV yesterday morning. 3. Nam and you were in the English club last Tuesday 4. They ate noodles two hours ago. 5. We always had a nice time on Christmas holiday in the past. 6. My father decorated the Christmas tree. 7. She bought a new dress yesterday. 8. They were late for school. 9. Mr.Tam took his children to the museum last Sunday. 10. Hoa made a cushion for her armchair.