2. In the interface that appears, check "Use manuscript paper".
3. Then click OK by default to generate manuscript paper.
4. Then in the Insert menu, execute "Shape-Line" several times.
5. Draw the effect style in the figure below with a straight line, and the line type is a dotted line.
6. Then select all the straight lines and set their line feed mode to "Text Underline".
7, according to the above operation, can meet the requirements of the questioner.