Câu hỏi : Điền 1 liên từ thích hợp để tạo thành 1 câu ghép ----- Nội dung dịch tự động từ ảnh ----- 12. This is a complex problem, __________ we need to work together to find the solution. 13. Peter doesn’t feel today, __________ he is absent from school. 14. They thought they won the match, __________ it turned out that they were losers. 15. My siblings and I don’t share many similarities, __________ we are in harmony with each other.