the most unusual car was a Benz. It wasn't a____cara, common b, accustomed为什么答案是b习惯的a是普遍的.我觉得A更能突出不平常

the most unusual car was a Benz. It wasn't a____cara, common b, accustomed为什么答案是b习惯的a是普遍的.我觉得A更能突出不平常
the most unusual car was a Benz. It wasn't a____car
a, common b, accustomed为什么答案是b习惯的
a是普遍的.我觉得A更能突出不平常

the most unusual car was a Benz. It wasn't a____cara, common b, accustomed为什么答案是b习惯的a是普遍的.我觉得A更能突出不平常
这题显然选common,毫无疑问.答案b是错误的.
unusual 和not common意思上是相对的.
accustomed是形容习惯,或惯常的含义.用在这里明显不合适.再说,accustomed之前要用an的,a不可以.