2. As shown in the figure, type the text to be underlined.
3. Select the text and right-click, as shown in the figure.
4. Select a font in the interface that appears, as shown in the figure.
5. In the interface that appears, select the underline of a line in the underline line type, and click OK, as shown in the figure.
6. At this point, an underline will appear below the text. Use the tab key to lengthen it to the required length where it needs to be extended, as shown in the figure.