阿摩線上測驗
501. The audience were amazed when the famous magician __________ before their eyes in a puff of smoke.
(A) persevered
(B) vanished
(C) insulted
(D) consumed
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統計： A(10), B(86), C(7), D(5), E(0) #1592711
統計： A(10), B(86), C(7), D(5), E(0) #1592711
