问题
选择题
Working there calls for ____ patience, but it is really ____ useful experience for me. [ ]
A. the; /
B. /; a
C. /; an
D. a; a
答案
答案：B
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Working there calls for ____ patience, but it is really ____ useful experience for me. [ ]
A. the; /
B. /; a
C. /; an
D. a; a
答案：B