阿摩線上測驗
44 People can help firefighters by keeping roads clear of , enabling them to move in and out of the area, and thereby doing their job.
(A) corporation
(B) congestion
(C) conclusion
(D) coordination
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統計： A(31), B(52), C(7), D(30), E(0) #2354249
統計： A(31), B(52), C(7), D(30), E(0) #2354249
