The clay pieces need to be fired ______ a very high heat. A. at B. on C. in D. by
2022-11-08 23:18:26 62次 云南省曲靖市2017届九年级上学期期中考试英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The clay pieces need to be fired ______ a very high heat.
A. at B. on C. in D. by
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