We should often keep _____ touch with each other, because we are good friends. A.on B.to C.in D.up
2022-12-25 07:42:54 171次 2014-2015学年福建三校九年级上学期期末联考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
We should often keep _____ touch with each other, because we are good friends.
A.on B.to C.in D.up
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