Answer:
Explanation
Step-by-step explanation:
1) The bill is being paid by Kelly. The bill was paid by Kelly
2) A sandwich is being eaten at lunch. A sanwich was eaten at lunch.
3) Two golden medals are won by him. Two golden medals were won by him.
4) The presents are being opened by me. The presents were opened by me.
5) Have the thieves been caught? Were the thieves caught?
6) The book has not been read. The book wasn't read.
7) The email is being sent. The email was sent.
8) His legs are being examined. His legs were examined.
9) The restaurant isn't booked. The restaurant wasn't booked.
10) Are the letters recieved by them? Were the letters recieved by them?
Pretty sure these are mostly right!! Good luck! :)