

Preciso de comprar uma coisa.
Queres mais alguma coisa?
Esta coisa não é minha.
"a coisa" is in the lesson "Clothes 3" (Level 21), along with 9 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.