eve

在圣诞节前夕，我们通常会交换礼物。

On the ___eve of Christmas, we usually exchange gifts.

圣诞夜我们全家一起装饰圣诞树。

On Christmas ___Eve, our whole family decorated the Christmas tree together.

在万圣节前夕，孩子们会穿上各种奇装异服。

Children dress up in costumes on the ___eve of Halloween.