问题
选择题
I'm not sure about the meaning of the word. You'd better look it up in a (n) ______. [ ]
A. letter
B. dictionary
C. article
答案
答案：B
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I'm not sure about the meaning of the word. You'd better look it up in a (n) ______. [ ]
A. letter
B. dictionary
C. article
答案：B