what tag should I use to underline a sentence?

Answer 1

or simple way:

<u>Hello world!</u>

Answer 2

thanks

Answer 3

Hello

Answer 4

<u>

Answer 5

you can underline in css by this code

p{
text-decoration:underline;
}

Answer 6

<u>write the text</u>

Answer 7

<ins> like this</ins>

Answer 8

HTML (example): <p id=“underline”>Hello, World!</p>
CSS: #underline (or alternatively “p” or “.underline”) {
text-decoration: underline;
}

Or you can do <p style=“text-decoration: underline;”> Hello, World!</p>