They have produced they did last year. A．twice more grain as B．twice as much grain as C．twice as man...
2023-01-01 22:31:46 214次 2013届甘肃省高二下学期期末考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
They have produced they did last year.
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A．twice more grain as
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B．twice as much grain as
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C．twice as many grain as
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D．as twice many grain as
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