Write the next sentence in the following story.

How to improve a child's handwriting
Show her how to work within the lines.
Lines can help her get her proportion correct, which in turn makes her handwriting more readable. If she's having trouble with it, show her the best way to do it.

pick from the following.
(I). If she's having trouble with the lines, show her how to keep them together. You can find the word for the area she's in..
(II). Print on a piece of cardboard to show her how the lines should be taught. Use a ruler and guidelines to show her how to use the pencil..
(III). List above every line a worry or concern. That's the start of taking care of her handwriting..
(IV). Use primary handwriting sheets that have colored lines as guides for each letter. Capital letters should go from the top line to the bottom line, and they should be twice the size of a lowercase letter... The answer should be
(IV).