No chicken or duck ______ in the supermarket since the first case of H7N9 was reported dead. A．has b...
2022-12-11 18:46:07 171次 2015届浙江宁波万里国际学校高一下期期中考试英语卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
No chicken or duck ______ in the supermarket since the
first case of H7N9 was reported dead.
A．has been sold B．was sold C．is sold D．are sold
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