________ is really hard ________ them to climb such a high mountain. A. This; to B. It; to C. This; ...
2022-11-03 10:38:17 111次 2018春人教版八年级英语下册句型专训 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容:
________ is really hard ________ them to climb such a high mountain.
A. This; to B. It; to
C. This; for D. It; for
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