How to make sections in the page

Dear Sir,
As i was doing my assignment on lists, the page keeps on growing as i give a para or a break. I wanted to know how can we write side by side on a page so as we can utilize the right side space on the page.

Hi
We given redo for you, so you can upload your assignments after a week also.

Regards

Dear Sir,
I request you to extend the deadline for the assignment of tables as due to heavy rains in Ahmedabad, my Internet Connection was inactive for a week.

Regards,
Sandeep

Hi

<table width="100%" height="173" border="0" cellpadding="0" cellspacing="0">
<tr>
<td align="left" valign="top"><table width="100%" height="156" border="0" cellpadding="0" cellspacing="0">
<tr>
<td>&nbsp;</td>
</tr>
<tr>
<td>&nbsp;</td>
</tr>
</table></td>
<td align="left" valign="top"><table width="100%" height="156" border="0" cellpadding="0" cellspacing="0">
<tr>
<td>&nbsp;</td>
</tr>
<tr>
<td>&nbsp;</td>
</tr>
</table></td>
</tr>
</table>

Try this. hope this solve your problem

Regards

I think you need to use some css(such as float:left), that you will learn in css section. Below is a link which makes horizontal menu using list tag:
http://www.secondpicture.com/tutorials/web_design/css_ul_li_horizontal_css_menu.html