阿摩線上測驗
2. The advertising sector is a __________ for economic confidence given that it is a gauge of how much the world's companies are spending.
(A) bandwagon
(B) benchmark
(C) blabbermouth
(D) bellwether
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統計： A(8), B(24), C(1), D(9), E(0) #3241780
統計： A(8), B(24), C(1), D(9), E(0) #3241780
