--The prison was __________fire last night.
--Someone must have set fire__________it.
A. on ; with B. on ; to C. over; with D. should
--The prison was __________fire last night.
--Someone must have set fire__________it.
A. on ; with B. on ; to C. over; with D. should
B
本题是介词的固定用法考查。on fire是指“着火”;set fire to是指“放火”。