After the new technique was introduced, the factory produced _______ tractors in 1988 as the year before.
A.as twice many | B.as many as | C.as twice as many | D.twice as many |
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After the new technique was introduced, the factory produced _______ tractors in 1988 as the year before.
A.as twice many | B.as many as | C.as twice as many | D.twice as many |