阿摩線上測驗
13. The power workers had to work _____ to repair the power lines since the whole city was in the dark.
(A) around the clock
(B) in the extreme
(C) on the house
(D) in the majority
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統計： A(14), B(6), C(1), D(5), E(0) #680735
統計： A(14), B(6), C(1), D(5), E(0) #680735