Câu hỏi 613114 - Tiếng anh chuyên ngành - BF10 A bill of exchange contains:………………………….. Chọn đáp án: a conditional order to pay a determinate sum of money. an unconditional order to pay a determinate sum of money. an unconditional order to pay a sum of money. an order to pay a determinate sum of money. Xem đáp án