

No sábado vou à praia.
O que fazes no sábado?
Ao sábado durmo até tarde.
"o sábado" is in the lesson "Months and days" (Level 7), along with 18 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.