choose the correct article for each sentence: (a) casa grande choose (the) libros interesantes choose (a)…

Brief Explanations:

In Spanish, "una" is used for feminine singular nouns starting with a consonant like "casa", "un" for masculine singular nouns starting with a consonant like "estudiante" and "problema". "los" is for masculine plural nouns like "libros", "las" for feminine plural nouns like "chicas" and "mesas". "unos" and "unas" are used for plural indefinite articles for masculine and feminine respectively like "unos amigos". "el" is for singular definite masculine nouns like "hombre" and "la" for singular definite feminine nouns.

Answer:

(a) una casa grande (b) los libros interesantes (c) un estudiante inteligente (d) las chicas simpáticas (e) el hombre alto (f) unos amigos divertidos (g) un problema difícil (h) las mesas pequeñas