It depends, what is on the list? If "playing, dancing, or singing " is on there than here you go:
-Angel and Lupita are playing.
-Angel and Lupita are dancing.
-Angel and Lupita are singing.
1. en el cuarto
2. escribes
3 en la cocina
4 la estufa
5 vas al. centro conercial?
6 en la binlioteca
The word that you have to complete in all those sentences are Le