Present Perfect Tense

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Change These bellow sentences into Passive Voice

1    1.    She has deleted the unwanted app.

    Answer: the unwanted app has been deleted.

2    2.    You have confirmed your reservation.

   Answer: Your reservation has been confirmed.

3    3.    The seller has already shipped my orders.

  Answer: My orders have already been shipped by the seller.

4    4.    He hasn't made a decision on whether he will retire or join another club.

  Answer: A decision on whether he will retire or join another club hasn't been                 made by him.

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