Setting method:

1. First open the PPT document, and then select the last slide.

2. Click to enter the top animation menu, and click the "Switch Effect" option.

3. Enter the window to modify the switching effect, only select the last selected slide, and select the "Click Ask" option, and the remaining slides will still be played automatically.

4. You can put a slide show when playing the answer, and end the play on the last page without clicking the mouse, and keep it on the last page.