阿摩線上測驗
11 Coronavirus has been described as an ______bullet, silently piercing human’s vital organs.
(A) insensible
(B) intricate
(C) invisible
(D) invaluable
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統計： A(6), B(7), C(44), D(8), E(0) #2654257
統計： A(6), B(7), C(44), D(8), E(0) #2654257
