[C] Asking Questions using Interrogative Words p.131
(A) dónde= “where?” *¿Dónde estás? (Where are you?) *¿A dónde vas? (To where are you going?) Cuánto(s)(as)= “how many?” *¿Cuántos libros hay? (How many books are there?)
Cómo = “How?” *¿Cómo estás?= (How are you?) Cuál (es) = “which?” or “what?” (plural) *¿Cuál es tu libro? (Which one is your book?)
Cuándo= “When?” *¿Cuándo estudias? (When do you study?) Por qué= “Why?” *¿Por qué vas a casa? (Why are you going home?)
Qué= “What?” *¿Qué estudias? (What [subject] are you studying?) Quién(es)= “Who?” *¿Quién está en la oficina? (Who is in the office?)