reduce (by) half.Taking out these smoking scenes could reduce the number of teen smokers (by) half.为什么不能用to
2022-04-28 13:37:21 28次 反馈错误 加入收藏 正确率 : 100%
题目内容：
reduce (by) half.
Taking out these smoking scenes could reduce the number of teen smokers (by) half.
为什么不能用to
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