Multiple choice

Directions: Fill in the blank with the appropriate preposition from the given set of choices.

The raids which started this morning went on _________the filing of this report.

  1. by

  2. till

  3. through

  4. No preposition is needed
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

'Till' here has been used to show the sense of how long something is going to last.

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