THEY STARTED, AS _______ GATHERINGS BUT THEY HAVE BECOME INCREASINGLY FORMALIZED IN THE LAST FEW YEARS

57. - ON THI TRAC NGHIEM TIENG ANH 12BAM SAT
ON THI TRAC NGHIEM TIENG ANH 12BAM SAT

57. They started, as _______ gatherings but they have become increasingly formalized in the last

few years.

A. informal B. informally C. informalize D. informality