This smartphone comes with a full two-year ______________. That means if the item becomes faulty, it can be repaired or replaced within two years.Đoạn văn23/41Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. This smartphone comes with a full two-year ______________. That means if the item becomes faulty, it can be repaired or replaced within two years. warrantyservicesalequalityGiải thíchChọn A