你收到我寄给你的那套文件了吗？

Did you receive the ___pack of documents I sent you?

你在超市看到那种新的零食套装了吗？

Have you seen the new snack ___pack in the supermarket?

课程开始时，每位学生都收到了一份迎新礼包。

Each student was given a welcome ___pack at the start of the course.