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试题详情及答案解析
We should often keep _____ touch with each other, because we are good friends.
A.onB.toC.inD.up
答案:C
试题分析:句意:我们应该经常保持互相联系,因为我们是好朋友。keep in touch with(与)……保持联系,是一个固定短语,所以选C。
考点:考查介词。