问题
选择题
It is really _____ useful dictionary and _____ dictionary every one of us needs.[ ]
A. an; a
B. a; the
C. the ; a
D. a; a
答案
答案：D
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It is really _____ useful dictionary and _____ dictionary every one of us needs.[ ]
A. an; a
B. a; the
C. the ; a
D. a; a
答案：D