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

C. an; a

D. an; the

解析：a / an 与表度量的词连用，与per 相当，意为“(每)一”; 表示职业身份的名词前用 a / an。