Underline the mistakes and write the correct answers on the lines. (Gạch chân lỗi sai và sửa lại ở các dòng.) 1. I am so upset then I failed my English test. 2. She was real delighted because she got 90% on her project. 3. I am so surprised so I got an A on my math homework. 4. I'm sorry, I has to do my history essay. 5. Do you had to practice your presentation later? 6. I was really disappointed however I failed my biology project.