6 A new study demonstrates how _____ and lack of sleep can have severe impacts on patients with chronic diseases.
(A) fatigue
(B) facility
(C) fluency
(D) freight
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統計: A(555), B(334), C(317), D(156), E(0) #2782317
統計: A(555), B(334), C(317), D(156), E(0) #2782317