What kind of error is this?

You included " and the double quotes should be outside the strong tag.

why don’t it works here?

The . at the end of students should be out of the u tags

I have moved your post to the relevant sub-forum. For future posts about the curriculum, please use the Get Help button on the specific lesson’s page. That way, a pre-populated post is generated, and you just need to fill in some missing details.

This gives us all the information we need to help you. Screenshots are not very useful.

1 Like

why have you added quotes?