阿摩線上測驗
8. After repeatedly dialing their number throughout the day and encountering only a busy signal,
Bob grew exasperated and decided to call the operator for assistance.
(A) infuriated
(B) nostalgic
(C) placid
(D) unruffled
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統計： A(10), B(0), C(0), D(2), E(0) #3248096
統計： A(10), B(0), C(0), D(2), E(0) #3248096
