Direction: In the following questions, a part of the sentence is printed in bold. Below are given alternatives to the bold part at (1), (2) and (3) which may improve the sentence. Choose the correct alternative.In case no improvement is needed your answer is (4).
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We did a test when the lights went out.
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- have been doing
- were doing
- had done
- No improvement
Correct Option: B
were doing (Past Progressive or Continuous Tense) is the right usage.
