阿摩線上測驗
107.
Every year, so many countdown together across the globe to celebrate Earth Hour and _____ one iconic action: switch off the lights.
(A) take
(B) taking
(C) that is taken
(D) which take
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統計： A(197), B(42), C(15), D(7), E(0) #3086100
統計： A(197), B(42), C(15), D(7), E(0) #3086100
