English Task 14 Present Perfect Tense

Change These bellow sentences into Passive Voice

1.  She has deleted the unwanted app.
Answer : The unwanted app hasil been deleted.

2. You have confirmed your reservation.
Answer : Your reservation has been confirmed.

3.  The seller has already shipped my orders.
Answer : My orders have been already  shipped by the seller.

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