Helen finds ______ difficult to climb to the top of the mountain in an hour. A. that B. this C.it
2022-12-14 10:24:06 166次 2016届湖南麓山国际学校九年级上学期第二次训练英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Helen finds ______ difficult to climb to the top of the mountain in an hour.
A. that B. this C.it
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