阿摩線上測驗
2. Many people believe that getting a flu vaccination may______us from getting the flu.
(A) emit
(B) escape
(C) prevent
(D) protest
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統計： A(0), B(0), C(1), D(0), E(0) #3357148
統計： A(0), B(0), C(1), D(0), E(0) #3357148
