Content/article and nouns

[Diegogagan2587]

Implemented Changes:

Add sentences related to the next topics:

• 73 the 3 (children / the children)
• 74 the 4 the giraffe / the telephone / the piano /, etc.… …, the + Adjective)
• 75 Names with and without the 1

Bring changes from Benja to keep all branches updated.