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?AA. They can't install the electrical.BD. They may need to dig deeper to install the plumbing.CC. There is some problems with the payment.DB. The plumbing is already installed.