WAEC - English Language (1990 - No. 25)
After the sentence, a list of possible interpretations of all or part of the sentence is given. Choose the interpretation that you consider most appropriate for the sentence.
This masquerade appears once in a blue moon. This means that the masquerade appears
This masquerade appears once in a blue moon. This means that the masquerade appears
on very rare occasions
when the moon is blue
whenever a special request is made
once a month