For question 4 it’s les because it’s plural considering ellas is a group of girls. question 5 is nos because the pronoun is nosotros meaning “we” hope this helps.
- me gusta cantar is image 01
- no me gusta jugar is image 02
- no me gusta escribir is image 04
- me gusta hablar is image
the definition of the first one is "I like to sing"
the definition of the second one is "i don't like to play"
the definition of the third one os "i like to write"
the definition fo the fourth one is "i like to talk"