1. Can you give me a _____ of your product so that I can try it before I buy it?
(A) reason
(B) sample
(C) price
(D) level
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統計: A(22), B(367), C(9), D(1), E(0) #3156170
統計: A(22), B(367), C(9), D(1), E(0) #3156170