Fill the gaps in the sentences below by choosing one of
the two options in parenthesis.
A. People who owned ______ (a / an) MP3 player ______ (was
/ were) considered popular back in the day.
B. Henrique no longer works ______ (on / in) Saturdays.
C. I ______ (do / don’t) know this song.
D. We’ve ______ (come /came) across as ______ (a / an) united
group.
In the order presented, the gaps are correctly and
respectively filled by: