请在贺卡上写上你的问候。

Please write your ___greetings on the card.

节日期间，我们向所有客户致以最诚挚的问候。

We extend our warmest ___greetings to all clients during the festive season.

他在信中向老朋友们致以亲切的问候。

He sent his warm ___greetings to old friends in the letter.