活动圆满结束后，我们向组织者表达了感谢。

After the successful event, we expressed our ___thanks to the organizers.

康复后，她给医院工作人员写了一封诚挚的感谢信。

After recovering, she wrote a heartfelt letter of ___thanks to the hospital staff.

我想为您盛情的款待表达我真诚的谢意。

I want to give you my sincere ___thanks for your wonderful hospitality.