问题
选择题
She offered a _______ of $ 2000 for information about her missing son.[ ]
A. pay
B. reward
C. fee
D. fare
答案
答案：B
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She offered a _______ of $ 2000 for information about her missing son.[ ]
A. pay
B. reward
C. fee
D. fare
答案：B
缺失的固定义齿属于（）