Lessons 5A–6A Selfies, impersonal passive structures

Choose the correct forms to complete the sentences. It has often been ___ that the world was a simpler place before people had telephones.

Choose the correct forms to complete the sentences. The hacker is thought to ___ a man in his 30s living somewhere in southern Germany.

Choose the correct forms to complete the sentences. It ___ revealed that personal data had been collected illegally by the company.

Choose the correct forms to complete the sentences. It ___ said that high-speed rail travel would cause people to stop breathing.

Choose the correct forms to complete the sentences. ___ is thought that there are over 1.5 billion websites today.