阿摩線上測驗
15 A lasting relationship is built on ________ respect and trust.
(A) neutral
(B) natural
(C) annual
(D) mutual
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統計： A(229), B(444), C(248), D(944), E(0) #2354190
統計： A(229), B(444), C(248), D(944), E(0) #2354190
