阿摩線上測驗
1. With winter on the way and viral infections increasing, a lot of people may wonder how long they will be ______ after infection and how long they should take precautions and avoid contact with others.
(A) contagious
(B) suspicious
(C) impervious
(D) gregarious
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統計： A(85), B(7), C(8), D(5), E(0) #3263566
統計： A(85), B(7), C(8), D(5), E(0) #3263566
