Trang chủ/Câu hỏi/What is the problem?Quay lạiClick meXem chi tiết bài testChia sẻWhat is the problem?Chọn một đáp ánCâu hỏi: What is the problem?AC. There is no keynote speech anymore.BB. The person who was giving the speech said they don't want to.CA. The person who was supposed to give the speech is sick.DD. The keynote speech is cancelled.