Jim is eight-year-old boy. He spends half hour playing piano every day.A. a; an; aB. an;

问题补充：

Jim is eight-year-old boy. He spends half hour playing piano every day.

A. a; an; a

B. an; the; an

C. an; an; the

D. the; a; /

答案：

A. a; an; a

B. an; the; an

(答案→)C. an; an; the

D. the; a; /

解析：考查冠词。半个小时half an hour, 而乐器前加定冠词the。故选C。