The key to exercise solutions in chapter Review 7 for the textbook Focus 4 - Student's Book with authors Kay Sue, Jones Vaughan, Brayshaw Daniel and Beata Trapnell from Pearson Education
Question
Rewrite the sentences in Passive.
Answer
It was argued / was reported that the archaeologists had damaged some artefacts during excavations.
The lost city of Atlantis is believed to have existed until the ninth century BC.
It's not clear why the lights went out. There is said to have been a short circuit.
A dangerous hacker is thought to have been stealing sensitive data for over a year.