20. Earthquakes and typhoons are examples of natural ____. They may damage many buildings.
(A)strategies
(B)betrayal
(C)disasters
(D)discount
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統計: A(54), B(14), C(285), D(10), E(0) #2077789
統計: A(54), B(14), C(285), D(10), E(0) #2077789