When Britain adopted the decimal system for its money, it changed . . . . . . . . relatively smoothly.
A. in
B. for
C. over
D. to
Answer: Option C
Solution (By Examveda Team)
'Change over' means 'to stop using or having one thing and to start using or having something else'. Hence it makes the sentence meaningful.This Question Belongs to Competitive English >> Preposition
Join The Discussion