Question

The firemen soon ________ the big fire.

A．put off

B．put up

C．put out

D．put on

Answer 1

C

put off推迟，阻止；put up 建造，举起； put out熄灭，出版；put on穿上，上演。句意：消防员们很久就扑灭了大火。结合语境可知选C。