Mother told Jim to watch the milk until it boiled and then _________ off the gas. A. turn B. turnin...
2023-02-14 00:19:45 151次 河北省正定中学2010高三下学期第三次考试 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Mother told Jim to watch the milk until it boiled and then _________
off the gas.
A. turn B.
turning C. turned D.
having turned
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