我送了她一份小礼物，以感谢她的好意。

I gave her a small gift as a ___token of thanks for her kindness.

他送花以示爱慕之情。

He sent flowers as a ___token of his affection.

请收下这本书，以表达我对您指导的感激。

Please accept this book as a ___token of my appreciation for your guidance.