问题
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
B:have been needed；produce
C:is needed；produce
D:are needed；produces
正确答案是：
同类题型
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1His family took him______Europe and hegave concerts.
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