Kate is one of the customers to Meet All because she lives just two blocks away.A. usualB.

问题补充：

Kate is one of the customers to Meet All because she lives just two blocks away.

A. usual

B. normal

C. frequent

D. gradual

答案：

A. usual

B. normal

(答案→)C. frequent

D. gradual

解析：考察形容词词义辨析。A常见的；B正常的；C频繁的；D逐渐的；句意：Kate一个经常来到Meet All这家商店的顾客，因为她就住在两个街区之外。根据句意说明她经常来这里故使用frequent，C项正确。