–Quite a few new laws and rules on food safety ______ into use last month. --Can you tell me what th...
2022-11-11 02:19:44 159次 2017年初中毕业升学考试（湖北宜昌卷）英语（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
–Quite a few new laws and rules on food safety ______ into use last month.
--Can you tell me what they are?
A. were putting B. have been put C. were put D. put
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