He is patient enough to spend a lot of time__________ (解释)grammar rules to us.
2022-05-05 11:46:11 174次 2020年江苏省泰州市靖江市中考适应性考试英语试卷 根据中/英文提示填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
He is patient enough to spend a lot of time__________ (解释)grammar rules to us.
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