I earn 10 dollars hour as supermarket cashier on Saturdays. A. a; anB. the; aC. an; aD.

问题补充：

I earn 10 dollars hour as supermarket cashier on Saturdays.

A. a; an

B. the; a

C. an; a

D. an; the

答案：

A. a; an

B. the; a

(答案→)C. an; a

D. an; the

解析：一个小时可数，而且读音开头是元音，所以用an;作为一个超市收银员也是泛指可数.