Usages of dois
Faz duas horas que a equipe espera a chefe.
The team has been waiting for the boss for two hours.
Eu comprei dois livros ontem.
I bought two books yesterday.
Na próxima semana comprarei dois livros na livraria e farei um plano de estudo detalhado.
Next week I will buy two books at the bookstore and I will make a detailed study plan.
Daqui a duas horas, a reunião terminará; espero que não seja chata.
In two hours, the meeting will end; I hope it is not boring.
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