阿摩線上測驗
26. Long, long ago, people used fingerprints instead of signatures as a way of identifying _____.
(A) them
(B) each
(C) themselves
(D) all
答案：登入後查看
統計： A(15), B(31), C(194), D(13), E(0) #2062328
統計： A(15), B(31), C(194), D(13), E(0) #2062328
