Direction: In the following questions, a sentence has been given in Active voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive voice.

प्र:

 Our house was built by my father.

• 1
  My father had built our house
• 2
  My father builds our house
• 3
  My father has built our house
• 4
  My father built our house