Mary is a customer of that shop; That’s why sometimes she is given a small discount(折扣)
A. mon
B. usual
C. regular
D. average
网友回答
A. mon
B. usual
(答案→)C. regular
D. average
解析:A. mon常见的,共同的,B. usual 平常的,C. regular定期的,有规律的,D. average平均的,普通的,regular customers常客,句意:玛丽是那家店的常客。这就是为什么她享受一点折扣的原因。选C。