1. Patients infected with the _____ turn frail in lungs, the crucial organs of the
respiratory system.
(A) pandemic
(B) incubation
(C) pneumonia
(D) metabolism
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統計: A(27), B(4), C(67), D(0), E(0) #2335567
統計: A(27), B(4), C(67), D(0), E(0) #2335567