阿摩線上測驗
35. The manager says that the battery has a life ____ of two years.
(A) span
(B) period
(C) sentence
(D) insurance
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統計： A(273), B(135), C(9), D(90), E(0) #2003020
統計： A(273), B(135), C(9), D(90), E(0) #2003020
