Open the brackets using the passive voice​

1 I don't believe that this play was written by Shakespeare.

2 The exact time hasn't been decided yet.

3 Some children are read to by their parents every night.

4 They didn't manage to see Mr D. as he was being interviewed then.

5 By the time he got to the office the letter had already been signed.

6 Don't worry! Your order will be sent in half an hour.

7 We have to wait a bit. Our car is still being serviced.