Questão de Inglês

Fill the gaps in the sentences below by choosing one of the two options in parenthesis. A- The phrase “it _______ (go / goes) without saying” has _______ (become / became) popular on the internet. B- Time _______ (flies / flyes) when I’m reading. C- What a healthy _______ (environment / enviorment)! The words that correctly and respectively fill the gaps in the sentences are: