問題詳情

5.The government-funded flu vaccination program aims to vaccinate those who are atflu and its serious___________ to prevent the virus spreading.
(A) computations
(B) commutations 
(C) competitions
(D) complications

參考答案

答案:D[非官方正解]
難度:困難0.35
書單:沒有書單,新增

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