他手里拿着一副扑克牌。

He is holding a deck of ___cards.

我每年圣诞节都会给朋友寄贺卡。

I send ___cards to my friends every Christmas.

请出示您的学生证以进入图书馆。

Please show your student ___card to enter the library.

她洗牌后给每人发了五张牌。

She shuffled and dealt five ___cards to each player.