I BELIEVE YOU WOULD SAY, EL CHICOS NECESITAN ESTUDIAR. BUT IM NOT 100% SURE. HOPE THIS HELPS!
To say 'I need bread' in Spanish, you would say 'Necesito pan.'
To say 'I need cereal' in Spanish, you would say 'Yo necesito cereales.'
To say 'I need a chair' in Spanish, you would say 'Yo necesito una silla.'
That would be "Lo necesito."
You say, "gemelos."
To say 'I need salad' in Spanish, you would say 'Yo necesito ensalada.'
You can say los chicos for the boys, and las chicas for the girls.
The way you say "Do you need water?" is "Necisita agua?"The c is pronounced as an s and the second i is pronounced as if to say eel.
hola chicos
Nothing, that's in English. But if you meant to say HOW to say teenage boys, then its "adolescentes"
Nesesito un mapa.