English
Medium
Question
The idiom “once a blue moon” means?
A
Often
B
Rarely
✓ Official correct answer
C
Rapidly
D
Slowly
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
Often
No member explanations yet for this option.
B
Rarely
No member explanations yet for this option.
C
Rapidly
No member explanations yet for this option.
D
Slowly
No member explanations yet for this option.