Rewrite the sentences using the passive.

1 Someone is delivering our new computer later today.


2 Someone has asked me to tell you about the new working arrangements.


3 I tried to change the order, but they had already sent the books.


4 A service company regularly repairs our computers.

1our new computer is being deliveredlater today.2I have been asked to tell you about the new working arrangements.3The order was tried to be changed byme,but the books had been already sent by them.4our computers are regularly repaired by a service company.