4. It is warm and sunny today, so we go to the park. 5. Nick seems to be a trustworthy person; however, I don't ask him for any advice before making important decisions. 6. Tom was thirsty, although he refused the glass of water I brought him. 7. Our classroom is hot and crowded, because I don't like our classroom. 8. Ann's father gave her some good advice; however, she didn't follow it. 9. The windows were all left open; therefore, the room was a real mess after the windstorm. 10. I was unprepared for the exam, because I felt sure I would get a low score. Nếu bạn cần thêm sự giúp đỡ hoặc có bất kỳ câu hỏi nào khác về ngữ pháp tiếng Anh, đừng ngần ngại để hỏi tôi!