阿摩線上測驗
12. The boxer got hit by a heavy punch and was _____ for a few minutes lying on the floor.
(A) unconscious
(B) unemployed
(C) universal
(D) unknown
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統計： A(322), B(23), C(16), D(52), E(0) #2888100
統計： A(322), B(23), C(16), D(52), E(0) #2888100
