JAMB - English Language (2001 - No. 71)
Fill each gap with the most appropriate option from the list provided.
They had to ...... the generator when the electricity failed.
light up
fall back on
switch on
resort to
Explanation
To "fall back on" something means to use something as a last option when other plans or resources have failed or are unavailable. It means that something is already in place or available as a backup.