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
答案:登入後查看
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