I earn 10dollars hours as supermarket cashier on Saturday.A. a anB. the aC. an aD. an

问题补充：

I earn 10dollars hours as supermarket cashier on Saturday.

A. a, an

B. the ,a

C. an ,a

D. an ,the

答案：

A. a, an

B. the ,a

C. an ,a

(答案→)D. an ,the

解析： an hour 表示“每小时”；后一空中的a表示“一个”