one 做同谓语,然后接上一个定语从句

题目

one 做同谓语,然后接上一个定语从句
比如 having a chat with an old friend you haven't seen for 10 years is a pleasant thing,_______ I prefer very much.(one)
我要的是具体的例句

答案

having a chat with an old friend you haven't seen for 10 years is a pleasant thing,one I prefer very much.
例子：You are my good friend,one I never forget.你是我永远都不会忘记的好朋友.