阿摩線上測驗
9. ________, as the name implies, is never made to survive or last long.
(A) Ephemera
(B) Firmament
(C) Troposphere
(D) Mannequin
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統計： A(62), B(8), C(8), D(2), E(0) #1786802
統計： A(62), B(8), C(8), D(2), E(0) #1786802
