问题
选择题
Jack is ________ honest and hardworking boy and he must be ________ useful man in the future.[ ]
A. a; a
B. an; an
C. an; a
D. a; an
答案
答案：C
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Jack is ________ honest and hardworking boy and he must be ________ useful man in the future.[ ]
A. a; a
B. an; an
C. an; a
D. a; an
答案：C