问题描述：
25.We all write ,even when there's not much to say.
A.now and then B.by and by C.step by step D.more or less
We all write_____ ,even when there's not much to say.
A.now and then B.by and by C.step by step D.more or less
We all write_____ ,even when there's not much to say.
问题解答：
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