It is hard for us ______ on muddy roads in spring. A. walk. B. walked. C. to walk. D. walks.
2022-10-02 12:07:27 29次 辽宁沈阳沈河区2015-2016学年七年级上学期期末英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
It is hard for us ______ on muddy roads in spring.
A. walk. B. walked. C. to walk. D. walks.
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