Articles and plurals

QuestionAnswer
The house (fem sing beginning with consonant)
La casa
The idea (fem sing starts with vowel)
L'idea
The houses (fem pl)
le case
The ideas (fem pl)
Le idee
The horse (masc sing beginning with consonant)
il cavallo
The angel (masc sing starting with vowel)
l'angelo
The horses (masc pl starting with consonant)
i cavalli
The angels ( masc pl starting with vowel)
gli angeli
The backpack (masc sing starting with z)
lo zaino
The student (masc sing starting with s+consonant)
lo studente
The backpacks (masc pl starting with z)
gli zaini
The students (masc pl starting with s+consonant)
gli studenti