Quantities of water ________for cooling in the only one of the factories that ________steel.
A.has been needed;produces | B.have been needed;produce |
C.is needed;produce | D.are needed;produces |
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Quantities of water ________for cooling in the only one of the factories that ________steel.
A.has been needed;produces | B.have been needed;produce |
C.is needed;produce | D.are needed;produces |