English
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Medium
Question
Complete the question: When ________ invented?
A
The microwave was
B
Was the microwave
✓ Official correct answer
C
Was a microwave
D
Were microwave
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
The microwave was
No member explanations yet for this option.
B
Was the microwave
No member explanations yet for this option.
C
Was a microwave
No member explanations yet for this option.
D
Were microwave
No member explanations yet for this option.
Explanation
Question inversion: Was the microwave invented…?