Usages of cujo
O livro de história cujo autor conhecemos ontem está na mochila da Júlia.
The history book whose author we met yesterday is in Júlia’s backpack.
A empresa cujo site ficou fora do ar vai enviar outro link amanhã.
The company whose website went down is going to send another link tomorrow.
Elon.io is an online learning platform
We have an entire course teaching Portuguese grammar and vocabulary.