Multiple choice

Directions: Fill in the blank choosing the right form of the given four alternatives.

I _____ when my wife came home.

  1. had sing

  2. was singing

  3. am singing

  4. sung
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The sentence implies that an action was taking place or had taken place by the time the second event took place. The option ' was singing' implies that this action was taking place when 'the wife came home'.

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