题目内容
A stubborn boy like him dosen’t learn from his mistakes______ he was punished badly.
A. if B. when C. since D. unless
【答案】
D
【解析】 略
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题目内容
A stubborn boy like him dosen’t learn from his mistakes______ he was punished badly.
A. if B. when C. since D. unless
D
【解析】 略