Theoretically, there are many solutions to such a problem, but it is not easy to find________easy to...
2022-06-12 10:31:21 105次 2020届江苏省、马陵中学高三上学期期中英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Theoretically, there are many solutions to such a problem, but it is not easy to find________easy to put into practice.
A.that B.one C.it D.the one
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