Trang chủ/Câu hỏi/Look at the graphic. Why is the voucher invalid?Quay lạiClick meXem chi tiết bài testChia sẻLook at the graphic. Why is the voucher invalid?Chọn một đáp ánLook at the graphic. Why is the voucher invalid?AB. The food was not good.BD. The voucher is expired.CA. Their bill is under $100.DC. Their bill was over $100.Câu hỏi liên quanWhat does the woman ask the man to do?Where most likely does the woman work?What problem does the woman mention?Where most likely does the man work?