7. Strict sanitary procedures help to _____ outbreaks of diseases.
(A) foretell
(B) forsake
(C) fortify
(D) forestall
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統計: A(49), B(91), C(96), D(263), E(0) #2002631
統計: A(49), B(91), C(96), D(263), E(0) #2002631