27 Oil spills are becoming a serious hazard as tankers and cargo ships_______it either deliberately or accidentally.
(A)charge
(B)recharge
(C)surcharge
(D)discharge
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統計: A(43), B(27), C(22), D(116), E(0) #1200208
統計: A(43), B(27), C(22), D(116), E(0) #1200208