On the last day of the activity, you need a special copy to attract people's attention, get them involved and make full use of this last opportunity. Here are some suggestions:

1. Create a sense of urgency: remind readers that there is only one last day left in the activity, making them feel that time is tight. For example: "The last day! Don't miss this wonderful activity, seize the opportunity and let us create unforgettable memories together! "

2. Emphasize uniqueness: highlight the characteristics and uniqueness of the activity and let readers know the experience they will miss. For example: "The last day! Experience unprecedented activities, and only today can we fully experience our carefully prepared activities! "

3. Sense of community: Let readers feel that they are part of the activity and a member of the community. For example: "The last day! Spend this unforgettable moment with us, let's make history together and become a part of this activity! "

4. Attractive offers: If there are special offers or limited-time offers, don't forget to highlight them in the copy. For example: "The last day! Enjoy the special offer, only today can you enjoy our special offer! "

Remember, the purpose of copywriting is to attract readers' attention, let them participate and feel the value of the activity. Therefore, try to make the copy as dynamic and fascinating as possible, so that people have the impulse to participate in activities.