English
Medium
Question
He ___________ as a teacher before he became a lecturer
A
have worked
B
had worked
✓ Official correct answer
C
was worked
D
have been worked
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
have worked
No member explanations yet for this option.
B
had worked
No member explanations yet for this option.
C
was worked
No member explanations yet for this option.
D
have been worked
No member explanations yet for this option.