card

他正在观察手中的卡片。

He is looking at the ___card in his hands.

妈妈给我寄了一张生日贺卡。

My mom sent me a birthday ___card in the mail.

我忘记带钱包了，只能用信用卡付款。

I forgot my wallet, so I had to pay with my ___card.

我每年圣诞节都会给朋友寄贺卡。

I send ___cards to my friends every Christmas.