Though he is always thinking much of himself, he ______ be helpful when staying with others. A. can ...
2022-11-05 03:51:20 102次 2014-2015学年黑龙江绥化市高三下期初开学联考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Though he is always thinking much of himself, he ______ be helpful when staying with others.
A. can B. must C. should D. need
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