In discussing oil pollution, one important fact to remember is that the problem remains the same( )heavy( )light oil is spilled into the water.A.both/andB.whether/orC.neither/norD.because/so
In discussing oil pollution, one important fact to remember is that the problem remains the same( )heavy( )light oil is spilled into the water.
A.both/and
B.whether/or
C.neither/nor
D.because/so
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