La is the definite article for feminine nouns. Ex: La Fruta: The Fruit (Note: la and fruta both end in "a". That's how you know it's a feminine noun.)
For El it is the definite article for masculine nouns. Ex: El Libro: The Book (Note: for el, nouns end in "o")
Answer:
Las chicas por la mañana se maquillan.
Explanation:
<span>It is subjunctive because it is an expression like you said the person is telling another that they WANT the packback
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En la sala esta el televisor