A means To.
Voy a la cama - I'm going to bed.
Voy a Madrid - I'm going to Madrid.
Voy a comer - I'm going to eat.
En means In.
El gato está en la caja - The cat is in the box.
La leche está en la nevera - The milk is in the fridge.
La niña está en el jardin - The girl is in the garden.
en translates to 'in' in English
"Respuesta en español" means "answer in Spanish".
En verdad De veras En realidad realmente
"Quien es tu familia" means "who is your family" in Spanish (you do not use "es" in that sentence)
"Vino en" can mean either "wine in" or "he (or she) came in," but it would not be the end of the sentence in Spanish.
EN mi corazón/ IN my heart En casa/ AT home
If you are asking someone to say something in Spanish you will use the phrase "en español porfavor" or "In Spanish please."
'in' in spanish is en
If you mean the verb, then use "caber."
Contestar means "to answer" in Spanish. "Tú contestas preguntas en la clase."
"en" means "in" or "on"
at = en
en
The Spanish word for "in" is "en".
You could use "en casa de un amigo".
'en un' = 'in a'
en el = in/on the