41 Water stored in the fire truck’s tank can be________through water lines or hoses when there is no
water source.
(A) integrated
(B) complicated
(C) reversed
(D) discharged
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統計: A(20), B(9), C(29), D(69), E(0) #2782537
統計: A(20), B(9), C(29), D(69), E(0) #2782537