1.Another accident was caused on this road this afternoon.

=> They caused another accident on this road this afternoon.

2. Tom was bought a new bike yesterday afternoon by his parents.

=> His parents bought Tom a new bike yesterday afternoon.

3. The secretary wasn't phoned this morning by the manager.

=> The manager didn’t phoned the secretary this morning.

4. Was this beautiful dress bought by Mary?

=> Did Mary buy this beautiful dress?

5. Which pictures were chosen to send your sister on her birthday?

=> Which pictures did you choose to send your sister on her birthday?