The boy did his homework with the help of his father in the past. But now he can do it alone. A．for ...
2023-02-15 09:41:10 160次 2013年初中毕业升学考试（湖北黄冈卷）英语（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The boy did his homework with the help of his father
in the past. But now he can do it alone.
A．for himself B．on himself C．by himself D．with himself
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