That means it's offered for sale at a very very very very good price.
The price may be so good because the owner doesn't know what it's actually worth,
or because they're having a super-duper temporary sale, or because it's something
you personally need very badly so it's worth a lot more to you personally.
In any case, it's called a 'steal', because when something is stolen, the stealer
gets what he wants for a very very very low price, and this is just like that.
Yes, it does, the sentence should be written like this: Beth, my two year old sister, is very curious, so I have to keep a close eye on her.
<span>D. They are written in the format of a business letter.</span>