

Tenho uma dúvida sobre a fatura.
Tem alguma dúvida sobre o contrato?
Sem dúvida, é a melhor proposta.
"a dúvida" is in the lesson "Business 2" (Level 38), along with 11 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.