这辆自行车对我来说很珍贵，因为它是我爷爷的。

This bicycle is very ___dear to me because it was my grandpa's.

她是一位非常亲爱的朋友。

She was a very ___dear friend.

他是我最亲爱的朋友之一。

He's one of my ___dearest friends.