Since nobody gave him any help, he have done the research on his own. A．can B．must C．would D．Need
2022-12-13 09:41:17 66次 2013年全国普通高等学校招生统一考试英语（新课标Ⅱ卷解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Since nobody gave him any help, he have
done the research on his own.
A．can B．must C．would D．Need
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