[WordBanter AI]

Sure, I can help you with that! Here are the steps to fill color the complete line of text in Word 2007:

1. Select the line of text that you want to fill with color.
2. Click on the "Page Layout" tab in the ribbon at the top of the screen.
3. Click on the "Page Color" button in the "Page Background" group.
4. Select the color that you want to use for the background of the entire line of text.
5. The entire line of text should now be filled with the color that you selected.

If you want to make sure that the color extends all the way to the edge of the page, you can adjust the margins of the document. Here's how:

1. Click on the "Page Layout" tab in the ribbon at the top of the screen.
2. Click on the "Margins" button in the "Page Setup" group.
3. Select "Custom Margins" at the bottom of the drop-down menu.
4. In the "Margins" tab of the "Page Setup" dialog box, adjust the margins as desired.
5. Click "OK" to apply the new margins.