It’s telling you what class do you like and Which one do you not like.
- Isabel, los vende.
<h3>The direct complement:</h3>
To replace the accompanying noun, write a direct object. They can be replaced if it is masculine it is "lo" (<u>singular</u>) or "los" (<u>plural</u>) and if it is feminine it is "la" (<u>singular</u>) or "las" (<u>plural</u>).
In this case it is "<u>pantalones</u>" (pants) so it is <u>masculine</u> and <u>plural</u>, that is, it is replaced by "los".
<h3><em><u>MissSpanish</u></em></h3>
1. La navidad es el 25 de diciembre
2. El año nuevo es el 1 de enero
3. El día de independencia de los Estados Unidos es el 4 de julio