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As oil pipe line connections were broken, _____ quantity of oil was caused to spill onto the wharf and into the dock water.
A.a not knowing
B.an unknowing
C.an unknown
D.a not know
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更多 “ As oil pipe line connections were broken, _____ quantity of oil was caused to spill onto the wharf and into the dock water.A.a not knowingB.an unknowingC.an unknownD.a not know ” 相关考题
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