阿摩線上測驗
6. Cellular telephones, or simply cell phones, are _______ devices that may be used in motor vehicles or by
pedestrians.
(A) portable
(B) portal
(C) wearable
(D) protective
答案：登入後查看
統計： A(253), B(18), C(64), D(18), E(0) #2430755
統計： A(253), B(18), C(64), D(18), E(0) #2430755
