The key to exercise solutions in chapter 5c - Grammar in use for the textbook On Screen B1+/B2 - Student's Book with authors Virginia Evans and Jenny Dooley from Express Publishing
Question
Rewrite the sentences in the passive voice.
Answer
He was asked to present his evidence in court.
The case hasn’t been solved yet.
An announcement is going to be made later.
The types on the van were slashed.
The report is being typed now.
Her emails will be checked to see if something can be found.